Home / 2,510.91-3,765.28-1,340.65

Finding the Fourth Proportional to 2,510.91, 3,765.28 and 1,340.65

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Solution

The fourth proportional to 2,510.91, 3,765.28 and 1,340.65 is: 2,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.91 : 3,765.28 = 1,340.65 : x
  2. Step 2: Convert to fraction form
    2,510.91/3,765.28 = 1,340.65/x
  3. Step 3: Cross multiply
    2,510.91x = 3,765.28 × 1,340.65
  4. Step 4: Simplify right side
    2,510.91x = 5,047,922.63
  5. Step 5: Solve for x
    x = 5,047,922.63/2,510.91
  6. Step 6: Final answer
    x = 2,010.40

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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.