Home / 3,139.32-4,328.73-2,243.46

Finding the Fourth Proportional to 3,139.32, 4,328.73 and 2,243.46

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Solution

The fourth proportional to 3,139.32, 4,328.73 and 2,243.46 is: 3,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.32 : 4,328.73 = 2,243.46 : x
  2. Step 2: Convert to fraction form
    3,139.32/4,328.73 = 2,243.46/x
  3. Step 3: Cross multiply
    3,139.32x = 4,328.73 × 2,243.46
  4. Step 4: Simplify right side
    3,139.32x = 9,711,332.61
  5. Step 5: Solve for x
    x = 9,711,332.61/3,139.32
  6. Step 6: Final answer
    x = 3,093.45

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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.