Home / 4,284.90-5,915.97-2,870.64

Finding the Fourth Proportional to 4,284.90, 5,915.97 and 2,870.64

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Solution

The fourth proportional to 4,284.90, 5,915.97 and 2,870.64 is: 3,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.90 : 5,915.97 = 2,870.64 : x
  2. Step 2: Convert to fraction form
    4,284.90/5,915.97 = 2,870.64/x
  3. Step 3: Cross multiply
    4,284.90x = 5,915.97 × 2,870.64
  4. Step 4: Simplify right side
    4,284.90x = 16,982,620.12
  5. Step 5: Solve for x
    x = 16,982,620.12/4,284.90
  6. Step 6: Final answer
    x = 3,963.36

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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.