Home / 2,337.05-3,225.35-1,289.11

Finding the Fourth Proportional to 2,337.05, 3,225.35 and 1,289.11

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Solution

The fourth proportional to 2,337.05, 3,225.35 and 1,289.11 is: 1,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.05 : 3,225.35 = 1,289.11 : x
  2. Step 2: Convert to fraction form
    2,337.05/3,225.35 = 1,289.11/x
  3. Step 3: Cross multiply
    2,337.05x = 3,225.35 × 1,289.11
  4. Step 4: Simplify right side
    2,337.05x = 4,157,832.15
  5. Step 5: Solve for x
    x = 4,157,832.15/2,337.05
  6. Step 6: Final answer
    x = 1,779.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.