Home / 1,549.28-2,323.92-1,256.96

Finding the Fourth Proportional to 1,549.28, 2,323.92 and 1,256.96

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Solution

The fourth proportional to 1,549.28, 2,323.92 and 1,256.96 is: 1,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.28 : 2,323.92 = 1,256.96 : x
  2. Step 2: Convert to fraction form
    1,549.28/2,323.92 = 1,256.96/x
  3. Step 3: Cross multiply
    1,549.28x = 2,323.92 × 1,256.96
  4. Step 4: Simplify right side
    1,549.28x = 2,921,074.48
  5. Step 5: Solve for x
    x = 2,921,074.48/1,549.28
  6. Step 6: Final answer
    x = 1,885.44

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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.