Home / 1,673.31-2,508.60-1,307.01

Finding the Fourth Proportional to 1,673.31, 2,508.60 and 1,307.01

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Solution

The fourth proportional to 1,673.31, 2,508.60 and 1,307.01 is: 1,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.31 : 2,508.60 = 1,307.01 : x
  2. Step 2: Convert to fraction form
    1,673.31/2,508.60 = 1,307.01/x
  3. Step 3: Cross multiply
    1,673.31x = 2,508.60 × 1,307.01
  4. Step 4: Simplify right side
    1,673.31x = 3,278,765.29
  5. Step 5: Solve for x
    x = 3,278,765.29/1,673.31
  6. Step 6: Final answer
    x = 1,959.45

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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.