Home / 2,381.04-3,281.80-1,673.12

Finding the Fourth Proportional to 2,381.04, 3,281.80 and 1,673.12

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Solution

The fourth proportional to 2,381.04, 3,281.80 and 1,673.12 is: 2,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.04 : 3,281.80 = 1,673.12 : x
  2. Step 2: Convert to fraction form
    2,381.04/3,281.80 = 1,673.12/x
  3. Step 3: Cross multiply
    2,381.04x = 3,281.80 × 1,673.12
  4. Step 4: Simplify right side
    2,381.04x = 5,490,845.22
  5. Step 5: Solve for x
    x = 5,490,845.22/2,381.04
  6. Step 6: Final answer
    x = 2,306.07

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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.