Home / 2,510.49-3,464.60-1,391.55

Finding the Fourth Proportional to 2,510.49, 3,464.60 and 1,391.55

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Solution

The fourth proportional to 2,510.49, 3,464.60 and 1,391.55 is: 1,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.49 : 3,464.60 = 1,391.55 : x
  2. Step 2: Convert to fraction form
    2,510.49/3,464.60 = 1,391.55/x
  3. Step 3: Cross multiply
    2,510.49x = 3,464.60 × 1,391.55
  4. Step 4: Simplify right side
    2,510.49x = 4,821,164.13
  5. Step 5: Solve for x
    x = 4,821,164.13/2,510.49
  6. Step 6: Final answer
    x = 1,920.41

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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.