Home / 2,908.02-4,364.34-1,521.78

Finding the Fourth Proportional to 2,908.02, 4,364.34 and 1,521.78

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Solution

The fourth proportional to 2,908.02, 4,364.34 and 1,521.78 is: 2,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.02 : 4,364.34 = 1,521.78 : x
  2. Step 2: Convert to fraction form
    2,908.02/4,364.34 = 1,521.78/x
  3. Step 3: Cross multiply
    2,908.02x = 4,364.34 × 1,521.78
  4. Step 4: Simplify right side
    2,908.02x = 6,641,565.33
  5. Step 5: Solve for x
    x = 6,641,565.33/2,908.02
  6. Step 6: Final answer
    x = 2,283.88

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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.