Home / 2,434.30-3,357.75-1,439.50

Finding the Fourth Proportional to 2,434.30, 3,357.75 and 1,439.50

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Solution

The fourth proportional to 2,434.30, 3,357.75 and 1,439.50 is: 1,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.30 : 3,357.75 = 1,439.50 : x
  2. Step 2: Convert to fraction form
    2,434.30/3,357.75 = 1,439.50/x
  3. Step 3: Cross multiply
    2,434.30x = 3,357.75 × 1,439.50
  4. Step 4: Simplify right side
    2,434.30x = 4,833,481.13
  5. Step 5: Solve for x
    x = 4,833,481.13/2,434.30
  6. Step 6: Final answer
    x = 1,985.57

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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.