Home / 3,045.20-4,569.60-2,008.20

Finding the Fourth Proportional to 3,045.20, 4,569.60 and 2,008.20

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Solution

The fourth proportional to 3,045.20, 4,569.60 and 2,008.20 is: 3,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.20 : 4,569.60 = 2,008.20 : x
  2. Step 2: Convert to fraction form
    3,045.20/4,569.60 = 2,008.20/x
  3. Step 3: Cross multiply
    3,045.20x = 4,569.60 × 2,008.20
  4. Step 4: Simplify right side
    3,045.20x = 9,176,670.72
  5. Step 5: Solve for x
    x = 9,176,670.72/3,045.20
  6. Step 6: Final answer
    x = 3,013.49

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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.