Home / 2,204.48-3,042.08-1,209.74

Finding the Fourth Proportional to 2,204.48, 3,042.08 and 1,209.74

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Solution

The fourth proportional to 2,204.48, 3,042.08 and 1,209.74 is: 1,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.48 : 3,042.08 = 1,209.74 : x
  2. Step 2: Convert to fraction form
    2,204.48/3,042.08 = 1,209.74/x
  3. Step 3: Cross multiply
    2,204.48x = 3,042.08 × 1,209.74
  4. Step 4: Simplify right side
    2,204.48x = 3,680,117.11
  5. Step 5: Solve for x
    x = 3,680,117.11/2,204.48
  6. Step 6: Final answer
    x = 1,669.38

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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.