Home / 2,673.36-3,988.98-2,381.04

Finding the Fourth Proportional to 2,673.36, 3,988.98 and 2,381.04

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Solution

The fourth proportional to 2,673.36, 3,988.98 and 2,381.04 is: 3,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.36 : 3,988.98 = 2,381.04 : x
  2. Step 2: Convert to fraction form
    2,673.36/3,988.98 = 2,381.04/x
  3. Step 3: Cross multiply
    2,673.36x = 3,988.98 × 2,381.04
  4. Step 4: Simplify right side
    2,673.36x = 9,497,920.94
  5. Step 5: Solve for x
    x = 9,497,920.94/2,673.36
  6. Step 6: Final answer
    x = 3,552.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.