Home / 2,275.70-3,417.60-1,660.10

Finding the Fourth Proportional to 2,275.70, 3,417.60 and 1,660.10

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Solution

The fourth proportional to 2,275.70, 3,417.60 and 1,660.10 is: 2,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.70 : 3,417.60 = 1,660.10 : x
  2. Step 2: Convert to fraction form
    2,275.70/3,417.60 = 1,660.10/x
  3. Step 3: Cross multiply
    2,275.70x = 3,417.60 × 1,660.10
  4. Step 4: Simplify right side
    2,275.70x = 5,673,557.76
  5. Step 5: Solve for x
    x = 5,673,557.76/2,275.70
  6. Step 6: Final answer
    x = 2,493.10

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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.