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Finding the Fourth Proportional to 2,320.04, 3,479.73 and 676.15

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Solution

The fourth proportional to 2,320.04, 3,479.73 and 676.15 is: 1,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.04 : 3,479.73 = 676.15 : x
  2. Step 2: Convert to fraction form
    2,320.04/3,479.73 = 676.15/x
  3. Step 3: Cross multiply
    2,320.04x = 3,479.73 × 676.15
  4. Step 4: Simplify right side
    2,320.04x = 2,352,808.20
  5. Step 5: Solve for x
    x = 2,352,808.20/2,320.04
  6. Step 6: Final answer
    x = 1,014.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.