Home / 3,717.60-5,130.09-2,038.92

Finding the Fourth Proportional to 3,717.60, 5,130.09 and 2,038.92

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Solution

The fourth proportional to 3,717.60, 5,130.09 and 2,038.92 is: 2,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.60 : 5,130.09 = 2,038.92 : x
  2. Step 2: Convert to fraction form
    3,717.60/5,130.09 = 2,038.92/x
  3. Step 3: Cross multiply
    3,717.60x = 5,130.09 × 2,038.92
  4. Step 4: Simplify right side
    3,717.60x = 10,459,843.10
  5. Step 5: Solve for x
    x = 10,459,843.10/3,717.60
  6. Step 6: Final answer
    x = 2,813.60

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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.