Home / 2,824.19-4,230.60-1,358.90

Finding the Fourth Proportional to 2,824.19, 4,230.60 and 1,358.90

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Solution

The fourth proportional to 2,824.19, 4,230.60 and 1,358.90 is: 2,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.19 : 4,230.60 = 1,358.90 : x
  2. Step 2: Convert to fraction form
    2,824.19/4,230.60 = 1,358.90/x
  3. Step 3: Cross multiply
    2,824.19x = 4,230.60 × 1,358.90
  4. Step 4: Simplify right side
    2,824.19x = 5,748,962.34
  5. Step 5: Solve for x
    x = 5,748,962.34/2,824.19
  6. Step 6: Final answer
    x = 2,035.61

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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.