Home / 2,001.18-2,994.60-1,221.38

Finding the Fourth Proportional to 2,001.18, 2,994.60 and 1,221.38

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Solution

The fourth proportional to 2,001.18, 2,994.60 and 1,221.38 is: 1,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.18 : 2,994.60 = 1,221.38 : x
  2. Step 2: Convert to fraction form
    2,001.18/2,994.60 = 1,221.38/x
  3. Step 3: Cross multiply
    2,001.18x = 2,994.60 × 1,221.38
  4. Step 4: Simplify right side
    2,001.18x = 3,657,535.08
  5. Step 5: Solve for x
    x = 3,657,535.08/2,001.18
  6. Step 6: Final answer
    x = 1,827.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.