Home / 3,756.71-5,635.47-1,291.24

Finding the Fourth Proportional to 3,756.71, 5,635.47 and 1,291.24

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Solution

The fourth proportional to 3,756.71, 5,635.47 and 1,291.24 is: 1,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.71 : 5,635.47 = 1,291.24 : x
  2. Step 2: Convert to fraction form
    3,756.71/5,635.47 = 1,291.24/x
  3. Step 3: Cross multiply
    3,756.71x = 5,635.47 × 1,291.24
  4. Step 4: Simplify right side
    3,756.71x = 7,276,756.17
  5. Step 5: Solve for x
    x = 7,276,756.17/3,756.71
  6. Step 6: Final answer
    x = 1,937.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.