Home / 3,759.59-5,637.61-1,126.08

Finding the Fourth Proportional to 3,759.59, 5,637.61 and 1,126.08

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Solution

The fourth proportional to 3,759.59, 5,637.61 and 1,126.08 is: 1,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.59 : 5,637.61 = 1,126.08 : x
  2. Step 2: Convert to fraction form
    3,759.59/5,637.61 = 1,126.08/x
  3. Step 3: Cross multiply
    3,759.59x = 5,637.61 × 1,126.08
  4. Step 4: Simplify right side
    3,759.59x = 6,348,401.28
  5. Step 5: Solve for x
    x = 6,348,401.28/3,759.59
  6. Step 6: Final answer
    x = 1,688.59

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1.5x scale

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.