Home / 2,837.13-3,915.29-1,578.30

Finding the Fourth Proportional to 2,837.13, 3,915.29 and 1,578.30

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Solution

The fourth proportional to 2,837.13, 3,915.29 and 1,578.30 is: 2,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.13 : 3,915.29 = 1,578.30 : x
  2. Step 2: Convert to fraction form
    2,837.13/3,915.29 = 1,578.30/x
  3. Step 3: Cross multiply
    2,837.13x = 3,915.29 × 1,578.30
  4. Step 4: Simplify right side
    2,837.13x = 6,179,504.62
  5. Step 5: Solve for x
    x = 6,179,504.62/2,837.13
  6. Step 6: Final answer
    x = 2,178.08

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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.