Home / 2,301.60-3,177.38-1,559.48

Finding the Fourth Proportional to 2,301.60, 3,177.38 and 1,559.48

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Solution

The fourth proportional to 2,301.60, 3,177.38 and 1,559.48 is: 2,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.60 : 3,177.38 = 1,559.48 : x
  2. Step 2: Convert to fraction form
    2,301.60/3,177.38 = 1,559.48/x
  3. Step 3: Cross multiply
    2,301.60x = 3,177.38 × 1,559.48
  4. Step 4: Simplify right side
    2,301.60x = 4,955,060.56
  5. Step 5: Solve for x
    x = 4,955,060.56/2,301.60
  6. Step 6: Final answer
    x = 2,152.88

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1.5x scale

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.