Home / 2,869.20-4,301.88-1,225.32

Finding the Fourth Proportional to 2,869.20, 4,301.88 and 1,225.32

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Solution

The fourth proportional to 2,869.20, 4,301.88 and 1,225.32 is: 1,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.20 : 4,301.88 = 1,225.32 : x
  2. Step 2: Convert to fraction form
    2,869.20/4,301.88 = 1,225.32/x
  3. Step 3: Cross multiply
    2,869.20x = 4,301.88 × 1,225.32
  4. Step 4: Simplify right side
    2,869.20x = 5,271,179.60
  5. Step 5: Solve for x
    x = 5,271,179.60/2,869.20
  6. Step 6: Final answer
    x = 1,837.16

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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.