Home / 2,125.01-3,184.65-1,200.21

Finding the Fourth Proportional to 2,125.01, 3,184.65 and 1,200.21

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Solution

The fourth proportional to 2,125.01, 3,184.65 and 1,200.21 is: 1,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.01 : 3,184.65 = 1,200.21 : x
  2. Step 2: Convert to fraction form
    2,125.01/3,184.65 = 1,200.21/x
  3. Step 3: Cross multiply
    2,125.01x = 3,184.65 × 1,200.21
  4. Step 4: Simplify right side
    2,125.01x = 3,822,248.78
  5. Step 5: Solve for x
    x = 3,822,248.78/2,125.01
  6. Step 6: Final answer
    x = 1,798.70

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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.