Home / 2,352.29-3,246.12-1,290.02

Finding the Fourth Proportional to 2,352.29, 3,246.12 and 1,290.02

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Solution

The fourth proportional to 2,352.29, 3,246.12 and 1,290.02 is: 1,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.29 : 3,246.12 = 1,290.02 : x
  2. Step 2: Convert to fraction form
    2,352.29/3,246.12 = 1,290.02/x
  3. Step 3: Cross multiply
    2,352.29x = 3,246.12 × 1,290.02
  4. Step 4: Simplify right side
    2,352.29x = 4,187,543.49
  5. Step 5: Solve for x
    x = 4,187,543.49/2,352.29
  6. Step 6: Final answer
    x = 1,780.20

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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.