Home / 3,370.64-5,030.50-3,151.76

Finding the Fourth Proportional to 3,370.64, 5,030.50 and 3,151.76

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Solution

The fourth proportional to 3,370.64, 5,030.50 and 3,151.76 is: 4,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.64 : 5,030.50 = 3,151.76 : x
  2. Step 2: Convert to fraction form
    3,370.64/5,030.50 = 3,151.76/x
  3. Step 3: Cross multiply
    3,370.64x = 5,030.50 × 3,151.76
  4. Step 4: Simplify right side
    3,370.64x = 15,854,928.68
  5. Step 5: Solve for x
    x = 15,854,928.68/3,370.64
  6. Step 6: Final answer
    x = 4,703.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.