Home / 1,592.06-2,385.43-1,127.60

Finding the Fourth Proportional to 1,592.06, 2,385.43 and 1,127.60

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Solution

The fourth proportional to 1,592.06, 2,385.43 and 1,127.60 is: 1,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.06 : 2,385.43 = 1,127.60 : x
  2. Step 2: Convert to fraction form
    1,592.06/2,385.43 = 1,127.60/x
  3. Step 3: Cross multiply
    1,592.06x = 2,385.43 × 1,127.60
  4. Step 4: Simplify right side
    1,592.06x = 2,689,796.12
  5. Step 5: Solve for x
    x = 2,689,796.12/1,592.06
  6. Step 6: Final answer
    x = 1,689.50

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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.