Home / 2,649.04-3,654.92-1,600.40

Finding the Fourth Proportional to 2,649.04, 3,654.92 and 1,600.40

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Solution

The fourth proportional to 2,649.04, 3,654.92 and 1,600.40 is: 2,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.04 : 3,654.92 = 1,600.40 : x
  2. Step 2: Convert to fraction form
    2,649.04/3,654.92 = 1,600.40/x
  3. Step 3: Cross multiply
    2,649.04x = 3,654.92 × 1,600.40
  4. Step 4: Simplify right side
    2,649.04x = 5,849,333.97
  5. Step 5: Solve for x
    x = 5,849,333.97/2,649.04
  6. Step 6: Final answer
    x = 2,208.10

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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.