Home / 1,735.47-2,603.61-1,187.91

Finding the Fourth Proportional to 1,735.47, 2,603.61 and 1,187.91

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Solution

The fourth proportional to 1,735.47, 2,603.61 and 1,187.91 is: 1,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.47 : 2,603.61 = 1,187.91 : x
  2. Step 2: Convert to fraction form
    1,735.47/2,603.61 = 1,187.91/x
  3. Step 3: Cross multiply
    1,735.47x = 2,603.61 × 1,187.91
  4. Step 4: Simplify right side
    1,735.47x = 3,092,854.36
  5. Step 5: Solve for x
    x = 3,092,854.36/1,735.47
  6. Step 6: Final answer
    x = 1,782.14

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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.