Home / 2,291.93-3,161.66-1,451.15

Finding the Fourth Proportional to 2,291.93, 3,161.66 and 1,451.15

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Solution

The fourth proportional to 2,291.93, 3,161.66 and 1,451.15 is: 2,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.93 : 3,161.66 = 1,451.15 : x
  2. Step 2: Convert to fraction form
    2,291.93/3,161.66 = 1,451.15/x
  3. Step 3: Cross multiply
    2,291.93x = 3,161.66 × 1,451.15
  4. Step 4: Simplify right side
    2,291.93x = 4,588,031.70
  5. Step 5: Solve for x
    x = 4,588,031.70/2,291.93
  6. Step 6: Final answer
    x = 2,001.82

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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.