Home / 2,489.04-3,434.34-1,604.70

Finding the Fourth Proportional to 2,489.04, 3,434.34 and 1,604.70

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Solution

The fourth proportional to 2,489.04, 3,434.34 and 1,604.70 is: 2,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.04 : 3,434.34 = 1,604.70 : x
  2. Step 2: Convert to fraction form
    2,489.04/3,434.34 = 1,604.70/x
  3. Step 3: Cross multiply
    2,489.04x = 3,434.34 × 1,604.70
  4. Step 4: Simplify right side
    2,489.04x = 5,511,085.40
  5. Step 5: Solve for x
    x = 5,511,085.40/2,489.04
  6. Step 6: Final answer
    x = 2,214.14

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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.