Home / 2,360.79-3,541.19-1,124.45

Finding the Fourth Proportional to 2,360.79, 3,541.19 and 1,124.45

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Solution

The fourth proportional to 2,360.79, 3,541.19 and 1,124.45 is: 1,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.79 : 3,541.19 = 1,124.45 : x
  2. Step 2: Convert to fraction form
    2,360.79/3,541.19 = 1,124.45/x
  3. Step 3: Cross multiply
    2,360.79x = 3,541.19 × 1,124.45
  4. Step 4: Simplify right side
    2,360.79x = 3,981,901.56
  5. Step 5: Solve for x
    x = 3,981,901.56/2,360.79
  6. Step 6: Final answer
    x = 1,686.68

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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.