Home / 3,562.12-4,900.10-2,897.52

Finding the Fourth Proportional to 3,562.12, 4,900.10 and 2,897.52

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Solution

The fourth proportional to 3,562.12, 4,900.10 and 2,897.52 is: 3,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.12 : 4,900.10 = 2,897.52 : x
  2. Step 2: Convert to fraction form
    3,562.12/4,900.10 = 2,897.52/x
  3. Step 3: Cross multiply
    3,562.12x = 4,900.10 × 2,897.52
  4. Step 4: Simplify right side
    3,562.12x = 14,198,137.75
  5. Step 5: Solve for x
    x = 14,198,137.75/3,562.12
  6. Step 6: Final answer
    x = 3,985.87

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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.