Home / 2,209.96-3,043.20-1,510.12

Finding the Fourth Proportional to 2,209.96, 3,043.20 and 1,510.12

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Solution

The fourth proportional to 2,209.96, 3,043.20 and 1,510.12 is: 2,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.96 : 3,043.20 = 1,510.12 : x
  2. Step 2: Convert to fraction form
    2,209.96/3,043.20 = 1,510.12/x
  3. Step 3: Cross multiply
    2,209.96x = 3,043.20 × 1,510.12
  4. Step 4: Simplify right side
    2,209.96x = 4,595,597.18
  5. Step 5: Solve for x
    x = 4,595,597.18/2,209.96
  6. Step 6: Final answer
    x = 2,079.49

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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.