Home / 3,293.61-4,547.07-2,177.79

Finding the Fourth Proportional to 3,293.61, 4,547.07 and 2,177.79

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Solution

The fourth proportional to 3,293.61, 4,547.07 and 2,177.79 is: 3,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.61 : 4,547.07 = 2,177.79 : x
  2. Step 2: Convert to fraction form
    3,293.61/4,547.07 = 2,177.79/x
  3. Step 3: Cross multiply
    3,293.61x = 4,547.07 × 2,177.79
  4. Step 4: Simplify right side
    3,293.61x = 9,902,551.52
  5. Step 5: Solve for x
    x = 9,902,551.52/3,293.61
  6. Step 6: Final answer
    x = 3,006.59

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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.