Home / 3,151.54-4,726.29-1,042.77

Finding the Fourth Proportional to 3,151.54, 4,726.29 and 1,042.77

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Solution

The fourth proportional to 3,151.54, 4,726.29 and 1,042.77 is: 1,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.54 : 4,726.29 = 1,042.77 : x
  2. Step 2: Convert to fraction form
    3,151.54/4,726.29 = 1,042.77/x
  3. Step 3: Cross multiply
    3,151.54x = 4,726.29 × 1,042.77
  4. Step 4: Simplify right side
    3,151.54x = 4,928,433.42
  5. Step 5: Solve for x
    x = 4,928,433.42/3,151.54
  6. Step 6: Final answer
    x = 1,563.82

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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.