Home / 2,510.11-3,464.09-1,391.17

Finding the Fourth Proportional to 2,510.11, 3,464.09 and 1,391.17

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Solution

The fourth proportional to 2,510.11, 3,464.09 and 1,391.17 is: 1,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.11 : 3,464.09 = 1,391.17 : x
  2. Step 2: Convert to fraction form
    2,510.11/3,464.09 = 1,391.17/x
  3. Step 3: Cross multiply
    2,510.11x = 3,464.09 × 1,391.17
  4. Step 4: Simplify right side
    2,510.11x = 4,819,138.09
  5. Step 5: Solve for x
    x = 4,819,138.09/2,510.11
  6. Step 6: Final answer
    x = 1,919.89

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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.