Home / 3,118.14-4,677.97-1,038.14

Finding the Fourth Proportional to 3,118.14, 4,677.97 and 1,038.14

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Solution

The fourth proportional to 3,118.14, 4,677.97 and 1,038.14 is: 1,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.14 : 4,677.97 = 1,038.14 : x
  2. Step 2: Convert to fraction form
    3,118.14/4,677.97 = 1,038.14/x
  3. Step 3: Cross multiply
    3,118.14x = 4,677.97 × 1,038.14
  4. Step 4: Simplify right side
    3,118.14x = 4,856,387.78
  5. Step 5: Solve for x
    x = 4,856,387.78/3,118.14
  6. Step 6: Final answer
    x = 1,557.46

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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.