Home / 3,457.60-5,182.80-1,895.20

Finding the Fourth Proportional to 3,457.60, 5,182.80 and 1,895.20

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Solution

The fourth proportional to 3,457.60, 5,182.80 and 1,895.20 is: 2,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.60 : 5,182.80 = 1,895.20 : x
  2. Step 2: Convert to fraction form
    3,457.60/5,182.80 = 1,895.20/x
  3. Step 3: Cross multiply
    3,457.60x = 5,182.80 × 1,895.20
  4. Step 4: Simplify right side
    3,457.60x = 9,822,442.56
  5. Step 5: Solve for x
    x = 9,822,442.56/3,457.60
  6. Step 6: Final answer
    x = 2,840.83

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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.