Home / 3,645.74-5,032.91-2,787.95

Finding the Fourth Proportional to 3,645.74, 5,032.91 and 2,787.95

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Solution

The fourth proportional to 3,645.74, 5,032.91 and 2,787.95 is: 3,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.74 : 5,032.91 = 2,787.95 : x
  2. Step 2: Convert to fraction form
    3,645.74/5,032.91 = 2,787.95/x
  3. Step 3: Cross multiply
    3,645.74x = 5,032.91 × 2,787.95
  4. Step 4: Simplify right side
    3,645.74x = 14,031,462.33
  5. Step 5: Solve for x
    x = 14,031,462.33/3,645.74
  6. Step 6: Final answer
    x = 3,848.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.