Home / 2,208.48-3,312.40-1,342.56

Finding the Fourth Proportional to 2,208.48, 3,312.40 and 1,342.56

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Solution

The fourth proportional to 2,208.48, 3,312.40 and 1,342.56 is: 2,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.48 : 3,312.40 = 1,342.56 : x
  2. Step 2: Convert to fraction form
    2,208.48/3,312.40 = 1,342.56/x
  3. Step 3: Cross multiply
    2,208.48x = 3,312.40 × 1,342.56
  4. Step 4: Simplify right side
    2,208.48x = 4,447,095.74
  5. Step 5: Solve for x
    x = 4,447,095.74/2,208.48
  6. Step 6: Final answer
    x = 2,013.65

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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.