Home / 4,290.20-5,920.06-2,427.16

Finding the Fourth Proportional to 4,290.20, 5,920.06 and 2,427.16

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Solution

The fourth proportional to 4,290.20, 5,920.06 and 2,427.16 is: 3,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.20 : 5,920.06 = 2,427.16 : x
  2. Step 2: Convert to fraction form
    4,290.20/5,920.06 = 2,427.16/x
  3. Step 3: Cross multiply
    4,290.20x = 5,920.06 × 2,427.16
  4. Step 4: Simplify right side
    4,290.20x = 14,368,932.83
  5. Step 5: Solve for x
    x = 14,368,932.83/4,290.20
  6. Step 6: Final answer
    x = 3,349.25

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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.