Home / 2,370.62-3,555.02-1,138.61

Finding the Fourth Proportional to 2,370.62, 3,555.02 and 1,138.61

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Solution

The fourth proportional to 2,370.62, 3,555.02 and 1,138.61 is: 1,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.62 : 3,555.02 = 1,138.61 : x
  2. Step 2: Convert to fraction form
    2,370.62/3,555.02 = 1,138.61/x
  3. Step 3: Cross multiply
    2,370.62x = 3,555.02 × 1,138.61
  4. Step 4: Simplify right side
    2,370.62x = 4,047,793.06
  5. Step 5: Solve for x
    x = 4,047,793.06/2,370.62
  6. Step 6: Final answer
    x = 1,707.48

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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.