Home / 3,313.68-4,970.52-1,123.95

Finding the Fourth Proportional to 3,313.68, 4,970.52 and 1,123.95

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Solution

The fourth proportional to 3,313.68, 4,970.52 and 1,123.95 is: 1,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.68 : 4,970.52 = 1,123.95 : x
  2. Step 2: Convert to fraction form
    3,313.68/4,970.52 = 1,123.95/x
  3. Step 3: Cross multiply
    3,313.68x = 4,970.52 × 1,123.95
  4. Step 4: Simplify right side
    3,313.68x = 5,586,615.95
  5. Step 5: Solve for x
    x = 5,586,615.95/3,313.68
  6. Step 6: Final answer
    x = 1,685.93

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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.