Home / 2,100.48-3,150.12-1,002.66

Finding the Fourth Proportional to 2,100.48, 3,150.12 and 1,002.66

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Solution

The fourth proportional to 2,100.48, 3,150.12 and 1,002.66 is: 1,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.48 : 3,150.12 = 1,002.66 : x
  2. Step 2: Convert to fraction form
    2,100.48/3,150.12 = 1,002.66/x
  3. Step 3: Cross multiply
    2,100.48x = 3,150.12 × 1,002.66
  4. Step 4: Simplify right side
    2,100.48x = 3,158,499.32
  5. Step 5: Solve for x
    x = 3,158,499.32/2,100.48
  6. Step 6: Final answer
    x = 1,503.70

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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.