Home / 3,591.43-5,386.36-1,125.92

Finding the Fourth Proportional to 3,591.43, 5,386.36 and 1,125.92

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Solution

The fourth proportional to 3,591.43, 5,386.36 and 1,125.92 is: 1,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.43 : 5,386.36 = 1,125.92 : x
  2. Step 2: Convert to fraction form
    3,591.43/5,386.36 = 1,125.92/x
  3. Step 3: Cross multiply
    3,591.43x = 5,386.36 × 1,125.92
  4. Step 4: Simplify right side
    3,591.43x = 6,064,621.10
  5. Step 5: Solve for x
    x = 6,064,621.10/3,591.43
  6. Step 6: Final answer
    x = 1,688.64

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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.