Home / 3,587.18-5,377.54-1,278.14

Finding the Fourth Proportional to 3,587.18, 5,377.54 and 1,278.14

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Solution

The fourth proportional to 3,587.18, 5,377.54 and 1,278.14 is: 1,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.18 : 5,377.54 = 1,278.14 : x
  2. Step 2: Convert to fraction form
    3,587.18/5,377.54 = 1,278.14/x
  3. Step 3: Cross multiply
    3,587.18x = 5,377.54 × 1,278.14
  4. Step 4: Simplify right side
    3,587.18x = 6,873,248.98
  5. Step 5: Solve for x
    x = 6,873,248.98/3,587.18
  6. Step 6: Final answer
    x = 1,916.06

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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.