Home / 1,597.40-2,392.20-1,318.56

Finding the Fourth Proportional to 1,597.40, 2,392.20 and 1,318.56

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Solution

The fourth proportional to 1,597.40, 2,392.20 and 1,318.56 is: 1,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.40 : 2,392.20 = 1,318.56 : x
  2. Step 2: Convert to fraction form
    1,597.40/2,392.20 = 1,318.56/x
  3. Step 3: Cross multiply
    1,597.40x = 2,392.20 × 1,318.56
  4. Step 4: Simplify right side
    1,597.40x = 3,154,259.23
  5. Step 5: Solve for x
    x = 3,154,259.23/1,597.40
  6. Step 6: Final answer
    x = 1,974.62

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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.