Home / 1,621.68-2,437.92-1,501.44

Finding the Fourth Proportional to 1,621.68, 2,437.92 and 1,501.44

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Solution

The fourth proportional to 1,621.68, 2,437.92 and 1,501.44 is: 2,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.68 : 2,437.92 = 1,501.44 : x
  2. Step 2: Convert to fraction form
    1,621.68/2,437.92 = 1,501.44/x
  3. Step 3: Cross multiply
    1,621.68x = 2,437.92 × 1,501.44
  4. Step 4: Simplify right side
    1,621.68x = 3,660,390.60
  5. Step 5: Solve for x
    x = 3,660,390.60/1,621.68
  6. Step 6: Final answer
    x = 2,257.16

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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.