Home / 2,319.06-3,478.80-587.69

Finding the Fourth Proportional to 2,319.06, 3,478.80 and 587.69

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Solution

The fourth proportional to 2,319.06, 3,478.80 and 587.69 is: 881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.06 : 3,478.80 = 587.69 : x
  2. Step 2: Convert to fraction form
    2,319.06/3,478.80 = 587.69/x
  3. Step 3: Cross multiply
    2,319.06x = 3,478.80 × 587.69
  4. Step 4: Simplify right side
    2,319.06x = 2,044,445.81
  5. Step 5: Solve for x
    x = 2,044,445.81/2,319.06
  6. Step 6: Final answer
    x = 881.58

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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.