Home / 3,485.53-5,228.30-1,513.13

Finding the Fourth Proportional to 3,485.53, 5,228.30 and 1,513.13

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Solution

The fourth proportional to 3,485.53, 5,228.30 and 1,513.13 is: 2,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.53 : 5,228.30 = 1,513.13 : x
  2. Step 2: Convert to fraction form
    3,485.53/5,228.30 = 1,513.13/x
  3. Step 3: Cross multiply
    3,485.53x = 5,228.30 × 1,513.13
  4. Step 4: Simplify right side
    3,485.53x = 7,911,096.12
  5. Step 5: Solve for x
    x = 7,911,096.12/3,485.53
  6. Step 6: Final answer
    x = 2,269.70

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Half scale
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Double scale
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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.