Home / 2,671.14-3,686.20-1,609.03

Finding the Fourth Proportional to 2,671.14, 3,686.20 and 1,609.03

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Solution

The fourth proportional to 2,671.14, 3,686.20 and 1,609.03 is: 2,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.14 : 3,686.20 = 1,609.03 : x
  2. Step 2: Convert to fraction form
    2,671.14/3,686.20 = 1,609.03/x
  3. Step 3: Cross multiply
    2,671.14x = 3,686.20 × 1,609.03
  4. Step 4: Simplify right side
    2,671.14x = 5,931,206.39
  5. Step 5: Solve for x
    x = 5,931,206.39/2,671.14
  6. Step 6: Final answer
    x = 2,220.48

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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.