Home / 2,319.54-3,478.76-1,148.34

Finding the Fourth Proportional to 2,319.54, 3,478.76 and 1,148.34

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Solution

The fourth proportional to 2,319.54, 3,478.76 and 1,148.34 is: 1,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.54 : 3,478.76 = 1,148.34 : x
  2. Step 2: Convert to fraction form
    2,319.54/3,478.76 = 1,148.34/x
  3. Step 3: Cross multiply
    2,319.54x = 3,478.76 × 1,148.34
  4. Step 4: Simplify right side
    2,319.54x = 3,994,799.26
  5. Step 5: Solve for x
    x = 3,994,799.26/2,319.54
  6. Step 6: Final answer
    x = 1,722.24

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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.