Home / 2,313.35-3,470.02-1,338.92

Finding the Fourth Proportional to 2,313.35, 3,470.02 and 1,338.92

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Solution

The fourth proportional to 2,313.35, 3,470.02 and 1,338.92 is: 2,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.35 : 3,470.02 = 1,338.92 : x
  2. Step 2: Convert to fraction form
    2,313.35/3,470.02 = 1,338.92/x
  3. Step 3: Cross multiply
    2,313.35x = 3,470.02 × 1,338.92
  4. Step 4: Simplify right side
    2,313.35x = 4,646,079.18
  5. Step 5: Solve for x
    x = 4,646,079.18/2,313.35
  6. Step 6: Final answer
    x = 2,008.38

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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.