Home / 3,701.40-5,108.79-2,442.68

Finding the Fourth Proportional to 3,701.40, 5,108.79 and 2,442.68

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Solution

The fourth proportional to 3,701.40, 5,108.79 and 2,442.68 is: 3,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.40 : 5,108.79 = 2,442.68 : x
  2. Step 2: Convert to fraction form
    3,701.40/5,108.79 = 2,442.68/x
  3. Step 3: Cross multiply
    3,701.40x = 5,108.79 × 2,442.68
  4. Step 4: Simplify right side
    3,701.40x = 12,479,139.16
  5. Step 5: Solve for x
    x = 12,479,139.16/3,701.40
  6. Step 6: Final answer
    x = 3,371.46

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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.