Home / 3,034.80-4,552.11-1,390.86

Finding the Fourth Proportional to 3,034.80, 4,552.11 and 1,390.86

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Solution

The fourth proportional to 3,034.80, 4,552.11 and 1,390.86 is: 2,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.80 : 4,552.11 = 1,390.86 : x
  2. Step 2: Convert to fraction form
    3,034.80/4,552.11 = 1,390.86/x
  3. Step 3: Cross multiply
    3,034.80x = 4,552.11 × 1,390.86
  4. Step 4: Simplify right side
    3,034.80x = 6,331,347.71
  5. Step 5: Solve for x
    x = 6,331,347.71/3,034.80
  6. Step 6: Final answer
    x = 2,086.25

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1.5x scale

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.