Home / 2,370.61-3,555.92-1,275.49

Finding the Fourth Proportional to 2,370.61, 3,555.92 and 1,275.49

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Solution

The fourth proportional to 2,370.61, 3,555.92 and 1,275.49 is: 1,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.61 : 3,555.92 = 1,275.49 : x
  2. Step 2: Convert to fraction form
    2,370.61/3,555.92 = 1,275.49/x
  3. Step 3: Cross multiply
    2,370.61x = 3,555.92 × 1,275.49
  4. Step 4: Simplify right side
    2,370.61x = 4,535,540.40
  5. Step 5: Solve for x
    x = 4,535,540.40/2,370.61
  6. Step 6: Final answer
    x = 1,913.24

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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.