Home / 3,115.02-4,671.62-2,565.84

Finding the Fourth Proportional to 3,115.02, 4,671.62 and 2,565.84

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Solution

The fourth proportional to 3,115.02, 4,671.62 and 2,565.84 is: 3,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.02 : 4,671.62 = 2,565.84 : x
  2. Step 2: Convert to fraction form
    3,115.02/4,671.62 = 2,565.84/x
  3. Step 3: Cross multiply
    3,115.02x = 4,671.62 × 2,565.84
  4. Step 4: Simplify right side
    3,115.02x = 11,986,629.46
  5. Step 5: Solve for x
    x = 11,986,629.46/3,115.02
  6. Step 6: Final answer
    x = 3,848.01

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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.