Home / 1,693.11-2,335.69-1,029.52

Finding the Fourth Proportional to 1,693.11, 2,335.69 and 1,029.52

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Solution

The fourth proportional to 1,693.11, 2,335.69 and 1,029.52 is: 1,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.11 : 2,335.69 = 1,029.52 : x
  2. Step 2: Convert to fraction form
    1,693.11/2,335.69 = 1,029.52/x
  3. Step 3: Cross multiply
    1,693.11x = 2,335.69 × 1,029.52
  4. Step 4: Simplify right side
    1,693.11x = 2,404,631.16
  5. Step 5: Solve for x
    x = 2,404,631.16/1,693.11
  6. Step 6: Final answer
    x = 1,420.25

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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.