Home / 2,316.76-3,197.02-1,308.44

Finding the Fourth Proportional to 2,316.76, 3,197.02 and 1,308.44

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Solution

The fourth proportional to 2,316.76, 3,197.02 and 1,308.44 is: 1,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.76 : 3,197.02 = 1,308.44 : x
  2. Step 2: Convert to fraction form
    2,316.76/3,197.02 = 1,308.44/x
  3. Step 3: Cross multiply
    2,316.76x = 3,197.02 × 1,308.44
  4. Step 4: Simplify right side
    2,316.76x = 4,183,108.85
  5. Step 5: Solve for x
    x = 4,183,108.85/2,316.76
  6. Step 6: Final answer
    x = 1,805.59

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1.5x scale

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.