Home / 2,260.60-3,121.46-1,677.40

Finding the Fourth Proportional to 2,260.60, 3,121.46 and 1,677.40

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Solution

The fourth proportional to 2,260.60, 3,121.46 and 1,677.40 is: 2,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.60 : 3,121.46 = 1,677.40 : x
  2. Step 2: Convert to fraction form
    2,260.60/3,121.46 = 1,677.40/x
  3. Step 3: Cross multiply
    2,260.60x = 3,121.46 × 1,677.40
  4. Step 4: Simplify right side
    2,260.60x = 5,235,937.00
  5. Step 5: Solve for x
    x = 5,235,937.00/2,260.60
  6. Step 6: Final answer
    x = 2,316.17

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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.