Home / 1,771.47-2,444.34-1,025.28

Finding the Fourth Proportional to 1,771.47, 2,444.34 and 1,025.28

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Solution

The fourth proportional to 1,771.47, 2,444.34 and 1,025.28 is: 1,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.47 : 2,444.34 = 1,025.28 : x
  2. Step 2: Convert to fraction form
    1,771.47/2,444.34 = 1,025.28/x
  3. Step 3: Cross multiply
    1,771.47x = 2,444.34 × 1,025.28
  4. Step 4: Simplify right side
    1,771.47x = 2,506,132.92
  5. Step 5: Solve for x
    x = 2,506,132.92/1,771.47
  6. Step 6: Final answer
    x = 1,414.72

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Find fourth proportional to 1,772.47, 2,445.72 and 1,026.28
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.