Home / 3,587.89-4,951.11-1,994.64

Finding the Fourth Proportional to 3,587.89, 4,951.11 and 1,994.64

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Solution

The fourth proportional to 3,587.89, 4,951.11 and 1,994.64 is: 2,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.89 : 4,951.11 = 1,994.64 : x
  2. Step 2: Convert to fraction form
    3,587.89/4,951.11 = 1,994.64/x
  3. Step 3: Cross multiply
    3,587.89x = 4,951.11 × 1,994.64
  4. Step 4: Simplify right side
    3,587.89x = 9,875,672.08
  5. Step 5: Solve for x
    x = 9,875,672.08/3,587.89
  6. Step 6: Final answer
    x = 2,752.51

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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.