Home / 2,405.28-3,602.88-1,535.16

Finding the Fourth Proportional to 2,405.28, 3,602.88 and 1,535.16

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Solution

The fourth proportional to 2,405.28, 3,602.88 and 1,535.16 is: 2,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.28 : 3,602.88 = 1,535.16 : x
  2. Step 2: Convert to fraction form
    2,405.28/3,602.88 = 1,535.16/x
  3. Step 3: Cross multiply
    2,405.28x = 3,602.88 × 1,535.16
  4. Step 4: Simplify right side
    2,405.28x = 5,530,997.26
  5. Step 5: Solve for x
    x = 5,530,997.26/2,405.28
  6. Step 6: Final answer
    x = 2,299.52

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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.