Home / 2,349.93-3,242.85-1,287.71

Finding the Fourth Proportional to 2,349.93, 3,242.85 and 1,287.71

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Solution

The fourth proportional to 2,349.93, 3,242.85 and 1,287.71 is: 1,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.93 : 3,242.85 = 1,287.71 : x
  2. Step 2: Convert to fraction form
    2,349.93/3,242.85 = 1,287.71/x
  3. Step 3: Cross multiply
    2,349.93x = 3,242.85 × 1,287.71
  4. Step 4: Simplify right side
    2,349.93x = 4,175,834.16
  5. Step 5: Solve for x
    x = 4,175,834.16/2,349.93
  6. Step 6: Final answer
    x = 1,777.00

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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.