Home / 3,614.95-5,417.56-1,423.09

Finding the Fourth Proportional to 3,614.95, 5,417.56 and 1,423.09

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Solution

The fourth proportional to 3,614.95, 5,417.56 and 1,423.09 is: 2,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.95 : 5,417.56 = 1,423.09 : x
  2. Step 2: Convert to fraction form
    3,614.95/5,417.56 = 1,423.09/x
  3. Step 3: Cross multiply
    3,614.95x = 5,417.56 × 1,423.09
  4. Step 4: Simplify right side
    3,614.95x = 7,709,641.26
  5. Step 5: Solve for x
    x = 7,709,641.26/3,614.95
  6. Step 6: Final answer
    x = 2,132.71

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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.