Home / 3,002.76-4,151.88-2,633.76

Finding the Fourth Proportional to 3,002.76, 4,151.88 and 2,633.76

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Solution

The fourth proportional to 3,002.76, 4,151.88 and 2,633.76 is: 3,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.76 : 4,151.88 = 2,633.76 : x
  2. Step 2: Convert to fraction form
    3,002.76/4,151.88 = 2,633.76/x
  3. Step 3: Cross multiply
    3,002.76x = 4,151.88 × 2,633.76
  4. Step 4: Simplify right side
    3,002.76x = 10,935,055.47
  5. Step 5: Solve for x
    x = 10,935,055.47/3,002.76
  6. Step 6: Final answer
    x = 3,641.67

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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.