Home / 2,292.80-3,165.60-1,508.16

Finding the Fourth Proportional to 2,292.80, 3,165.60 and 1,508.16

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Solution

The fourth proportional to 2,292.80, 3,165.60 and 1,508.16 is: 2,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.80 : 3,165.60 = 1,508.16 : x
  2. Step 2: Convert to fraction form
    2,292.80/3,165.60 = 1,508.16/x
  3. Step 3: Cross multiply
    2,292.80x = 3,165.60 × 1,508.16
  4. Step 4: Simplify right side
    2,292.80x = 4,774,231.30
  5. Step 5: Solve for x
    x = 4,774,231.30/2,292.80
  6. Step 6: Final answer
    x = 2,082.27

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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.