Home / 2,915.67-4,395.47-2,727.75

Finding the Fourth Proportional to 2,915.67, 4,395.47 and 2,727.75

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Solution

The fourth proportional to 2,915.67, 4,395.47 and 2,727.75 is: 4,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.67 : 4,395.47 = 2,727.75 : x
  2. Step 2: Convert to fraction form
    2,915.67/4,395.47 = 2,727.75/x
  3. Step 3: Cross multiply
    2,915.67x = 4,395.47 × 2,727.75
  4. Step 4: Simplify right side
    2,915.67x = 11,989,743.29
  5. Step 5: Solve for x
    x = 11,989,743.29/2,915.67
  6. Step 6: Final answer
    x = 4,112.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.