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Finding the Fourth Proportional to 3,013.88, 4,521.10 and 933.90

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Solution

The fourth proportional to 3,013.88, 4,521.10 and 933.90 is: 1,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.88 : 4,521.10 = 933.90 : x
  2. Step 2: Convert to fraction form
    3,013.88/4,521.10 = 933.90/x
  3. Step 3: Cross multiply
    3,013.88x = 4,521.10 × 933.90
  4. Step 4: Simplify right side
    3,013.88x = 4,222,255.29
  5. Step 5: Solve for x
    x = 4,222,255.29/3,013.88
  6. Step 6: Final answer
    x = 1,400.94

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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.