Home / 1,512.86-2,264.60-1,291.46

Finding the Fourth Proportional to 1,512.86, 2,264.60 and 1,291.46

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Solution

The fourth proportional to 1,512.86, 2,264.60 and 1,291.46 is: 1,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.86 : 2,264.60 = 1,291.46 : x
  2. Step 2: Convert to fraction form
    1,512.86/2,264.60 = 1,291.46/x
  3. Step 3: Cross multiply
    1,512.86x = 2,264.60 × 1,291.46
  4. Step 4: Simplify right side
    1,512.86x = 2,924,632.22
  5. Step 5: Solve for x
    x = 2,924,632.22/1,512.86
  6. Step 6: Final answer
    x = 1,933.19

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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.