Home / 2,373.47-3,275.01-1,378.55

Finding the Fourth Proportional to 2,373.47, 3,275.01 and 1,378.55

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Solution

The fourth proportional to 2,373.47, 3,275.01 and 1,378.55 is: 1,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.47 : 3,275.01 = 1,378.55 : x
  2. Step 2: Convert to fraction form
    2,373.47/3,275.01 = 1,378.55/x
  3. Step 3: Cross multiply
    2,373.47x = 3,275.01 × 1,378.55
  4. Step 4: Simplify right side
    2,373.47x = 4,514,748.66
  5. Step 5: Solve for x
    x = 4,514,748.66/2,373.47
  6. Step 6: Final answer
    x = 1,902.18

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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.