Home / 4,049.16-5,587.45-2,987.50

Finding the Fourth Proportional to 4,049.16, 5,587.45 and 2,987.50

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Solution

The fourth proportional to 4,049.16, 5,587.45 and 2,987.50 is: 4,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.16 : 5,587.45 = 2,987.50 : x
  2. Step 2: Convert to fraction form
    4,049.16/5,587.45 = 2,987.50/x
  3. Step 3: Cross multiply
    4,049.16x = 5,587.45 × 2,987.50
  4. Step 4: Simplify right side
    4,049.16x = 16,692,506.88
  5. Step 5: Solve for x
    x = 16,692,506.88/4,049.16
  6. Step 6: Final answer
    x = 4,122.46

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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.