Home / 3,139.68-4,706.24-1,058.96

Finding the Fourth Proportional to 3,139.68, 4,706.24 and 1,058.96

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Solution

The fourth proportional to 3,139.68, 4,706.24 and 1,058.96 is: 1,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.68 : 4,706.24 = 1,058.96 : x
  2. Step 2: Convert to fraction form
    3,139.68/4,706.24 = 1,058.96/x
  3. Step 3: Cross multiply
    3,139.68x = 4,706.24 × 1,058.96
  4. Step 4: Simplify right side
    3,139.68x = 4,983,699.91
  5. Step 5: Solve for x
    x = 4,983,699.91/3,139.68
  6. Step 6: Final answer
    x = 1,587.33

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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.