Home / 1,468.89-2,205.54-1,271.84

Finding the Fourth Proportional to 1,468.89, 2,205.54 and 1,271.84

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Solution

The fourth proportional to 1,468.89, 2,205.54 and 1,271.84 is: 1,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.89 : 2,205.54 = 1,271.84 : x
  2. Step 2: Convert to fraction form
    1,468.89/2,205.54 = 1,271.84/x
  3. Step 3: Cross multiply
    1,468.89x = 2,205.54 × 1,271.84
  4. Step 4: Simplify right side
    1,468.89x = 2,805,082.97
  5. Step 5: Solve for x
    x = 2,805,082.97/1,468.89
  6. Step 6: Final answer
    x = 1,909.66

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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.