Home / 3,294.93-4,547.42-2,161.55

Finding the Fourth Proportional to 3,294.93, 4,547.42 and 2,161.55

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Solution

The fourth proportional to 3,294.93, 4,547.42 and 2,161.55 is: 2,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.93 : 4,547.42 = 2,161.55 : x
  2. Step 2: Convert to fraction form
    3,294.93/4,547.42 = 2,161.55/x
  3. Step 3: Cross multiply
    3,294.93x = 4,547.42 × 2,161.55
  4. Step 4: Simplify right side
    3,294.93x = 9,829,476.26
  5. Step 5: Solve for x
    x = 9,829,476.26/3,294.93
  6. Step 6: Final answer
    x = 2,983.22

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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.