Home / 2,124.47-2,932.11-1,240.27

Finding the Fourth Proportional to 2,124.47, 2,932.11 and 1,240.27

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Solution

The fourth proportional to 2,124.47, 2,932.11 and 1,240.27 is: 1,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.47 : 2,932.11 = 1,240.27 : x
  2. Step 2: Convert to fraction form
    2,124.47/2,932.11 = 1,240.27/x
  3. Step 3: Cross multiply
    2,124.47x = 2,932.11 × 1,240.27
  4. Step 4: Simplify right side
    2,124.47x = 3,636,608.07
  5. Step 5: Solve for x
    x = 3,636,608.07/2,124.47
  6. Step 6: Final answer
    x = 1,711.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.