Home / 2,422.64-3,636.24-1,557.44

Finding the Fourth Proportional to 2,422.64, 3,636.24 and 1,557.44

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Solution

The fourth proportional to 2,422.64, 3,636.24 and 1,557.44 is: 2,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.64 : 3,636.24 = 1,557.44 : x
  2. Step 2: Convert to fraction form
    2,422.64/3,636.24 = 1,557.44/x
  3. Step 3: Cross multiply
    2,422.64x = 3,636.24 × 1,557.44
  4. Step 4: Simplify right side
    2,422.64x = 5,663,225.63
  5. Step 5: Solve for x
    x = 5,663,225.63/2,422.64
  6. Step 6: Final answer
    x = 2,337.63

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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.