Home / 1,512.47-2,088.52-1,040.24

Finding the Fourth Proportional to 1,512.47, 2,088.52 and 1,040.24

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Solution

The fourth proportional to 1,512.47, 2,088.52 and 1,040.24 is: 1,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.47 : 2,088.52 = 1,040.24 : x
  2. Step 2: Convert to fraction form
    1,512.47/2,088.52 = 1,040.24/x
  3. Step 3: Cross multiply
    1,512.47x = 2,088.52 × 1,040.24
  4. Step 4: Simplify right side
    1,512.47x = 2,172,564.67
  5. Step 5: Solve for x
    x = 2,172,564.67/1,512.47
  6. Step 6: Final answer
    x = 1,436.43

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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.