Home / 3,006.84-4,147.15-2,587.90

Finding the Fourth Proportional to 3,006.84, 4,147.15 and 2,587.90

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Solution

The fourth proportional to 3,006.84, 4,147.15 and 2,587.90 is: 3,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.84 : 4,147.15 = 2,587.90 : x
  2. Step 2: Convert to fraction form
    3,006.84/4,147.15 = 2,587.90/x
  3. Step 3: Cross multiply
    3,006.84x = 4,147.15 × 2,587.90
  4. Step 4: Simplify right side
    3,006.84x = 10,732,409.49
  5. Step 5: Solve for x
    x = 10,732,409.49/3,006.84
  6. Step 6: Final answer
    x = 3,569.33

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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.