Home / 2,319.26-3,478.59-587.78

Finding the Fourth Proportional to 2,319.26, 3,478.59 and 587.78

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Solution

The fourth proportional to 2,319.26, 3,478.59 and 587.78 is: 881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.26 : 3,478.59 = 587.78 : x
  2. Step 2: Convert to fraction form
    2,319.26/3,478.59 = 587.78/x
  3. Step 3: Cross multiply
    2,319.26x = 3,478.59 × 587.78
  4. Step 4: Simplify right side
    2,319.26x = 2,044,645.63
  5. Step 5: Solve for x
    x = 2,044,645.63/2,319.26
  6. Step 6: Final answer
    x = 881.59

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1.5x scale

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.