Home / 2,515.26-3,470.76-1,395.93

Finding the Fourth Proportional to 2,515.26, 3,470.76 and 1,395.93

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Solution

The fourth proportional to 2,515.26, 3,470.76 and 1,395.93 is: 1,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.26 : 3,470.76 = 1,395.93 : x
  2. Step 2: Convert to fraction form
    2,515.26/3,470.76 = 1,395.93/x
  3. Step 3: Cross multiply
    2,515.26x = 3,470.76 × 1,395.93
  4. Step 4: Simplify right side
    2,515.26x = 4,844,938.01
  5. Step 5: Solve for x
    x = 4,844,938.01/2,515.26
  6. Step 6: Final answer
    x = 1,926.22

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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.