Home / 1,612.68-2,405.67-1,591.56

Finding the Fourth Proportional to 1,612.68, 2,405.67 and 1,591.56

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Solution

The fourth proportional to 1,612.68, 2,405.67 and 1,591.56 is: 2,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.68 : 2,405.67 = 1,591.56 : x
  2. Step 2: Convert to fraction form
    1,612.68/2,405.67 = 1,591.56/x
  3. Step 3: Cross multiply
    1,612.68x = 2,405.67 × 1,591.56
  4. Step 4: Simplify right side
    1,612.68x = 3,828,768.15
  5. Step 5: Solve for x
    x = 3,828,768.15/1,612.68
  6. Step 6: Final answer
    x = 2,374.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.