Home / 4,242.20-5,853.30-2,669.72

Finding the Fourth Proportional to 4,242.20, 5,853.30 and 2,669.72

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Solution

The fourth proportional to 4,242.20, 5,853.30 and 2,669.72 is: 3,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.20 : 5,853.30 = 2,669.72 : x
  2. Step 2: Convert to fraction form
    4,242.20/5,853.30 = 2,669.72/x
  3. Step 3: Cross multiply
    4,242.20x = 5,853.30 × 2,669.72
  4. Step 4: Simplify right side
    4,242.20x = 15,626,672.08
  5. Step 5: Solve for x
    x = 15,626,672.08/4,242.20
  6. Step 6: Final answer
    x = 3,683.62

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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.