Home / 1,710.26-2,563.14-785.66

Finding the Fourth Proportional to 1,710.26, 2,563.14 and 785.66

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Solution

The fourth proportional to 1,710.26, 2,563.14 and 785.66 is: 1,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.26 : 2,563.14 = 785.66 : x
  2. Step 2: Convert to fraction form
    1,710.26/2,563.14 = 785.66/x
  3. Step 3: Cross multiply
    1,710.26x = 2,563.14 × 785.66
  4. Step 4: Simplify right side
    1,710.26x = 2,013,756.57
  5. Step 5: Solve for x
    x = 2,013,756.57/1,710.26
  6. Step 6: Final answer
    x = 1,177.46

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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.