Home / 1,652.13-2,475.55-1,211.34

Finding the Fourth Proportional to 1,652.13, 2,475.55 and 1,211.34

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Solution

The fourth proportional to 1,652.13, 2,475.55 and 1,211.34 is: 1,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.13 : 2,475.55 = 1,211.34 : x
  2. Step 2: Convert to fraction form
    1,652.13/2,475.55 = 1,211.34/x
  3. Step 3: Cross multiply
    1,652.13x = 2,475.55 × 1,211.34
  4. Step 4: Simplify right side
    1,652.13x = 2,998,720.36
  5. Step 5: Solve for x
    x = 2,998,720.36/1,652.13
  6. Step 6: Final answer
    x = 1,815.07

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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.