Home / 2,497.12-3,746.28-1,110.40

Finding the Fourth Proportional to 2,497.12, 3,746.28 and 1,110.40

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Solution

The fourth proportional to 2,497.12, 3,746.28 and 1,110.40 is: 1,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.12 : 3,746.28 = 1,110.40 : x
  2. Step 2: Convert to fraction form
    2,497.12/3,746.28 = 1,110.40/x
  3. Step 3: Cross multiply
    2,497.12x = 3,746.28 × 1,110.40
  4. Step 4: Simplify right side
    2,497.12x = 4,159,869.31
  5. Step 5: Solve for x
    x = 4,159,869.31/2,497.12
  6. Step 6: Final answer
    x = 1,665.87

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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.