Home / 1,739.73-2,403.13-1,296.87

Finding the Fourth Proportional to 1,739.73, 2,403.13 and 1,296.87

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Solution

The fourth proportional to 1,739.73, 2,403.13 and 1,296.87 is: 1,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.73 : 2,403.13 = 1,296.87 : x
  2. Step 2: Convert to fraction form
    1,739.73/2,403.13 = 1,296.87/x
  3. Step 3: Cross multiply
    1,739.73x = 2,403.13 × 1,296.87
  4. Step 4: Simplify right side
    1,739.73x = 3,116,547.20
  5. Step 5: Solve for x
    x = 3,116,547.20/1,739.73
  6. Step 6: Final answer
    x = 1,791.40

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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.