Home / 2,515.06-3,470.48-1,396.02

Finding the Fourth Proportional to 2,515.06, 3,470.48 and 1,396.02

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Solution

The fourth proportional to 2,515.06, 3,470.48 and 1,396.02 is: 1,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.06 : 3,470.48 = 1,396.02 : x
  2. Step 2: Convert to fraction form
    2,515.06/3,470.48 = 1,396.02/x
  3. Step 3: Cross multiply
    2,515.06x = 3,470.48 × 1,396.02
  4. Step 4: Simplify right side
    2,515.06x = 4,844,859.49
  5. Step 5: Solve for x
    x = 4,844,859.49/2,515.06
  6. Step 6: Final answer
    x = 1,926.34

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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.