Home / 1,512.56-2,267.40-927.92

Finding the Fourth Proportional to 1,512.56, 2,267.40 and 927.92

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Solution

The fourth proportional to 1,512.56, 2,267.40 and 927.92 is: 1,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.56 : 2,267.40 = 927.92 : x
  2. Step 2: Convert to fraction form
    1,512.56/2,267.40 = 927.92/x
  3. Step 3: Cross multiply
    1,512.56x = 2,267.40 × 927.92
  4. Step 4: Simplify right side
    1,512.56x = 2,103,965.81
  5. Step 5: Solve for x
    x = 2,103,965.81/1,512.56
  6. Step 6: Final answer
    x = 1,391.00

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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.