Home / 2,515.00-3,470.65-1,395.98

Finding the Fourth Proportional to 2,515.00, 3,470.65 and 1,395.98

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Solution

The fourth proportional to 2,515.00, 3,470.65 and 1,395.98 is: 1,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.00 : 3,470.65 = 1,395.98 : x
  2. Step 2: Convert to fraction form
    2,515.00/3,470.65 = 1,395.98/x
  3. Step 3: Cross multiply
    2,515.00x = 3,470.65 × 1,395.98
  4. Step 4: Simplify right side
    2,515.00x = 4,844,969.68
  5. Step 5: Solve for x
    x = 4,844,969.68/2,515.00
  6. Step 6: Final answer
    x = 1,926.43

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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.