Home / 1,693.66-2,339.52-1,363.36

Finding the Fourth Proportional to 1,693.66, 2,339.52 and 1,363.36

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Solution

The fourth proportional to 1,693.66, 2,339.52 and 1,363.36 is: 1,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.66 : 2,339.52 = 1,363.36 : x
  2. Step 2: Convert to fraction form
    1,693.66/2,339.52 = 1,363.36/x
  3. Step 3: Cross multiply
    1,693.66x = 2,339.52 × 1,363.36
  4. Step 4: Simplify right side
    1,693.66x = 3,189,607.99
  5. Step 5: Solve for x
    x = 3,189,607.99/1,693.66
  6. Step 6: Final answer
    x = 1,883.26

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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.