Home / 3,485.55-5,229.08-1,020.18

Finding the Fourth Proportional to 3,485.55, 5,229.08 and 1,020.18

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Solution

The fourth proportional to 3,485.55, 5,229.08 and 1,020.18 is: 1,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.55 : 5,229.08 = 1,020.18 : x
  2. Step 2: Convert to fraction form
    3,485.55/5,229.08 = 1,020.18/x
  3. Step 3: Cross multiply
    3,485.55x = 5,229.08 × 1,020.18
  4. Step 4: Simplify right side
    3,485.55x = 5,334,602.83
  5. Step 5: Solve for x
    x = 5,334,602.83/3,485.55
  6. Step 6: Final answer
    x = 1,530.49

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Half scale
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Double scale
Find fourth proportional to 3,486.55, 5,230.58 and 1,021.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.