Home / 1,510.93-2,265.51-1,121.92

Finding the Fourth Proportional to 1,510.93, 2,265.51 and 1,121.92

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Solution

The fourth proportional to 1,510.93, 2,265.51 and 1,121.92 is: 1,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.93 : 2,265.51 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    1,510.93/2,265.51 = 1,121.92/x
  3. Step 3: Cross multiply
    1,510.93x = 2,265.51 × 1,121.92
  4. Step 4: Simplify right side
    1,510.93x = 2,541,719.52
  5. Step 5: Solve for x
    x = 2,541,719.52/1,510.93
  6. Step 6: Final answer
    x = 1,682.22

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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.