Home / 2,641.59-3,637.35-2,308.08

Finding the Fourth Proportional to 2,641.59, 3,637.35 and 2,308.08

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Solution

The fourth proportional to 2,641.59, 3,637.35 and 2,308.08 is: 3,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.59 : 3,637.35 = 2,308.08 : x
  2. Step 2: Convert to fraction form
    2,641.59/3,637.35 = 2,308.08/x
  3. Step 3: Cross multiply
    2,641.59x = 3,637.35 × 2,308.08
  4. Step 4: Simplify right side
    2,641.59x = 8,395,294.79
  5. Step 5: Solve for x
    x = 8,395,294.79/2,641.59
  6. Step 6: Final answer
    x = 3,178.12

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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.