Home / 1,643.28-2,462.85-1,437.36

Finding the Fourth Proportional to 1,643.28, 2,462.85 and 1,437.36

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Solution

The fourth proportional to 1,643.28, 2,462.85 and 1,437.36 is: 2,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643.28 : 2,462.85 = 1,437.36 : x
  2. Step 2: Convert to fraction form
    1,643.28/2,462.85 = 1,437.36/x
  3. Step 3: Cross multiply
    1,643.28x = 2,462.85 × 1,437.36
  4. Step 4: Simplify right side
    1,643.28x = 3,540,002.08
  5. Step 5: Solve for x
    x = 3,540,002.08/1,643.28
  6. Step 6: Final answer
    x = 2,154.23

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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.