Home / 1,751.23-2,419.91-1,308.16

Finding the Fourth Proportional to 1,751.23, 2,419.91 and 1,308.16

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Solution

The fourth proportional to 1,751.23, 2,419.91 and 1,308.16 is: 1,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.23 : 2,419.91 = 1,308.16 : x
  2. Step 2: Convert to fraction form
    1,751.23/2,419.91 = 1,308.16/x
  3. Step 3: Cross multiply
    1,751.23x = 2,419.91 × 1,308.16
  4. Step 4: Simplify right side
    1,751.23x = 3,165,629.47
  5. Step 5: Solve for x
    x = 3,165,629.47/1,751.23
  6. Step 6: Final answer
    x = 1,807.66

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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.