Home / 3,587.93-4,951.31-1,994.72

Finding the Fourth Proportional to 3,587.93, 4,951.31 and 1,994.72

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Solution

The fourth proportional to 3,587.93, 4,951.31 and 1,994.72 is: 2,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.93 : 4,951.31 = 1,994.72 : x
  2. Step 2: Convert to fraction form
    3,587.93/4,951.31 = 1,994.72/x
  3. Step 3: Cross multiply
    3,587.93x = 4,951.31 × 1,994.72
  4. Step 4: Simplify right side
    3,587.93x = 9,876,480.75
  5. Step 5: Solve for x
    x = 9,876,480.75/3,587.93
  6. Step 6: Final answer
    x = 2,752.70

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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.