Home / 2,370.28-3,559.42-1,979.88

Finding the Fourth Proportional to 2,370.28, 3,559.42 and 1,979.88

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Solution

The fourth proportional to 2,370.28, 3,559.42 and 1,979.88 is: 2,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.28 : 3,559.42 = 1,979.88 : x
  2. Step 2: Convert to fraction form
    2,370.28/3,559.42 = 1,979.88/x
  3. Step 3: Cross multiply
    2,370.28x = 3,559.42 × 1,979.88
  4. Step 4: Simplify right side
    2,370.28x = 7,047,224.47
  5. Step 5: Solve for x
    x = 7,047,224.47/2,370.28
  6. Step 6: Final answer
    x = 2,973.16

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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.