Home / 3,117.19-4,665.55-2,372.79

Finding the Fourth Proportional to 3,117.19, 4,665.55 and 2,372.79

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Solution

The fourth proportional to 3,117.19, 4,665.55 and 2,372.79 is: 3,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.19 : 4,665.55 = 2,372.79 : x
  2. Step 2: Convert to fraction form
    3,117.19/4,665.55 = 2,372.79/x
  3. Step 3: Cross multiply
    3,117.19x = 4,665.55 × 2,372.79
  4. Step 4: Simplify right side
    3,117.19x = 11,070,347.03
  5. Step 5: Solve for x
    x = 11,070,347.03/3,117.19
  6. Step 6: Final answer
    x = 3,551.38

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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.