Home / 2,025.60-3,038.80-914.46

Finding the Fourth Proportional to 2,025.60, 3,038.80 and 914.46

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Solution

The fourth proportional to 2,025.60, 3,038.80 and 914.46 is: 1,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.60 : 3,038.80 = 914.46 : x
  2. Step 2: Convert to fraction form
    2,025.60/3,038.80 = 914.46/x
  3. Step 3: Cross multiply
    2,025.60x = 3,038.80 × 914.46
  4. Step 4: Simplify right side
    2,025.60x = 2,778,861.05
  5. Step 5: Solve for x
    x = 2,778,861.05/2,025.60
  6. Step 6: Final answer
    x = 1,371.87

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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.