Home / 3,717.18-5,129.69-2,038.59

Finding the Fourth Proportional to 3,717.18, 5,129.69 and 2,038.59

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Solution

The fourth proportional to 3,717.18, 5,129.69 and 2,038.59 is: 2,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.18 : 5,129.69 = 2,038.59 : x
  2. Step 2: Convert to fraction form
    3,717.18/5,129.69 = 2,038.59/x
  3. Step 3: Cross multiply
    3,717.18x = 5,129.69 × 2,038.59
  4. Step 4: Simplify right side
    3,717.18x = 10,457,334.74
  5. Step 5: Solve for x
    x = 10,457,334.74/3,717.18
  6. Step 6: Final answer
    x = 2,813.24

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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.