Home / 2,358.28-3,252.96-1,561.60

Finding the Fourth Proportional to 2,358.28, 3,252.96 and 1,561.60

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Solution

The fourth proportional to 2,358.28, 3,252.96 and 1,561.60 is: 2,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.28 : 3,252.96 = 1,561.60 : x
  2. Step 2: Convert to fraction form
    2,358.28/3,252.96 = 1,561.60/x
  3. Step 3: Cross multiply
    2,358.28x = 3,252.96 × 1,561.60
  4. Step 4: Simplify right side
    2,358.28x = 5,079,822.34
  5. Step 5: Solve for x
    x = 5,079,822.34/2,358.28
  6. Step 6: Final answer
    x = 2,154.04

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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.