Home / 2,265.60-3,399.83-1,225.16

Finding the Fourth Proportional to 2,265.60, 3,399.83 and 1,225.16

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Solution

The fourth proportional to 2,265.60, 3,399.83 and 1,225.16 is: 1,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.60 : 3,399.83 = 1,225.16 : x
  2. Step 2: Convert to fraction form
    2,265.60/3,399.83 = 1,225.16/x
  3. Step 3: Cross multiply
    2,265.60x = 3,399.83 × 1,225.16
  4. Step 4: Simplify right side
    2,265.60x = 4,165,312.60
  5. Step 5: Solve for x
    x = 4,165,312.60/2,265.60
  6. Step 6: Final answer
    x = 1,838.50

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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.