Home / 2,838.60-4,254.30-2,068.20

Finding the Fourth Proportional to 2,838.60, 4,254.30 and 2,068.20

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Solution

The fourth proportional to 2,838.60, 4,254.30 and 2,068.20 is: 3,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.60 : 4,254.30 = 2,068.20 : x
  2. Step 2: Convert to fraction form
    2,838.60/4,254.30 = 2,068.20/x
  3. Step 3: Cross multiply
    2,838.60x = 4,254.30 × 2,068.20
  4. Step 4: Simplify right side
    2,838.60x = 8,798,743.26
  5. Step 5: Solve for x
    x = 8,798,743.26/2,838.60
  6. Step 6: Final answer
    x = 3,099.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.