Home / 2,352.66-3,246.70-1,290.52

Finding the Fourth Proportional to 2,352.66, 3,246.70 and 1,290.52

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Solution

The fourth proportional to 2,352.66, 3,246.70 and 1,290.52 is: 1,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.66 : 3,246.70 = 1,290.52 : x
  2. Step 2: Convert to fraction form
    2,352.66/3,246.70 = 1,290.52/x
  3. Step 3: Cross multiply
    2,352.66x = 3,246.70 × 1,290.52
  4. Step 4: Simplify right side
    2,352.66x = 4,189,931.28
  5. Step 5: Solve for x
    x = 4,189,931.28/2,352.66
  6. Step 6: Final answer
    x = 1,780.93

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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.