Home / 3,106.76-4,655.56-2,281.24

Finding the Fourth Proportional to 3,106.76, 4,655.56 and 2,281.24

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Solution

The fourth proportional to 3,106.76, 4,655.56 and 2,281.24 is: 3,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.76 : 4,655.56 = 2,281.24 : x
  2. Step 2: Convert to fraction form
    3,106.76/4,655.56 = 2,281.24/x
  3. Step 3: Cross multiply
    3,106.76x = 4,655.56 × 2,281.24
  4. Step 4: Simplify right side
    3,106.76x = 10,620,449.69
  5. Step 5: Solve for x
    x = 10,620,449.69/3,106.76
  6. Step 6: Final answer
    x = 3,418.50

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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.