Home / 3,340.32-5,010.81-1,148.76

Finding the Fourth Proportional to 3,340.32, 5,010.81 and 1,148.76

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Solution

The fourth proportional to 3,340.32, 5,010.81 and 1,148.76 is: 1,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.32 : 5,010.81 = 1,148.76 : x
  2. Step 2: Convert to fraction form
    3,340.32/5,010.81 = 1,148.76/x
  3. Step 3: Cross multiply
    3,340.32x = 5,010.81 × 1,148.76
  4. Step 4: Simplify right side
    3,340.32x = 5,756,218.10
  5. Step 5: Solve for x
    x = 5,756,218.10/3,340.32
  6. Step 6: Final answer
    x = 1,723.25

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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.