Home / 3,587.50-4,949.36-2,645.53

Finding the Fourth Proportional to 3,587.50, 4,949.36 and 2,645.53

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Solution

The fourth proportional to 3,587.50, 4,949.36 and 2,645.53 is: 3,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.50 : 4,949.36 = 2,645.53 : x
  2. Step 2: Convert to fraction form
    3,587.50/4,949.36 = 2,645.53/x
  3. Step 3: Cross multiply
    3,587.50x = 4,949.36 × 2,645.53
  4. Step 4: Simplify right side
    3,587.50x = 13,093,680.36
  5. Step 5: Solve for x
    x = 13,093,680.36/3,587.50
  6. Step 6: Final answer
    x = 3,649.81

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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.