Home / 3,485.66-4,810.07-2,089.18

Finding the Fourth Proportional to 3,485.66, 4,810.07 and 2,089.18

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Solution

The fourth proportional to 3,485.66, 4,810.07 and 2,089.18 is: 2,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.66 : 4,810.07 = 2,089.18 : x
  2. Step 2: Convert to fraction form
    3,485.66/4,810.07 = 2,089.18/x
  3. Step 3: Cross multiply
    3,485.66x = 4,810.07 × 2,089.18
  4. Step 4: Simplify right side
    3,485.66x = 10,049,102.04
  5. Step 5: Solve for x
    x = 10,049,102.04/3,485.66
  6. Step 6: Final answer
    x = 2,882.98

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.