Home / 2,397.38-3,309.66-1,803.20

Finding the Fourth Proportional to 2,397.38, 3,309.66 and 1,803.20

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Solution

The fourth proportional to 2,397.38, 3,309.66 and 1,803.20 is: 2,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.38 : 3,309.66 = 1,803.20 : x
  2. Step 2: Convert to fraction form
    2,397.38/3,309.66 = 1,803.20/x
  3. Step 3: Cross multiply
    2,397.38x = 3,309.66 × 1,803.20
  4. Step 4: Simplify right side
    2,397.38x = 5,967,962.36
  5. Step 5: Solve for x
    x = 5,967,962.36/2,397.38
  6. Step 6: Final answer
    x = 2,489.37

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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.