Home / 3,717.43-5,130.12-2,038.82

Finding the Fourth Proportional to 3,717.43, 5,130.12 and 2,038.82

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Solution

The fourth proportional to 3,717.43, 5,130.12 and 2,038.82 is: 2,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.43 : 5,130.12 = 2,038.82 : x
  2. Step 2: Convert to fraction form
    3,717.43/5,130.12 = 2,038.82/x
  3. Step 3: Cross multiply
    3,717.43x = 5,130.12 × 2,038.82
  4. Step 4: Simplify right side
    3,717.43x = 10,459,395.12
  5. Step 5: Solve for x
    x = 10,459,395.12/3,717.43
  6. Step 6: Final answer
    x = 2,813.61

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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.