Home / 1,683.14-2,525.39-759.13

Finding the Fourth Proportional to 1,683.14, 2,525.39 and 759.13

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Solution

The fourth proportional to 1,683.14, 2,525.39 and 759.13 is: 1,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.14 : 2,525.39 = 759.13 : x
  2. Step 2: Convert to fraction form
    1,683.14/2,525.39 = 759.13/x
  3. Step 3: Cross multiply
    1,683.14x = 2,525.39 × 759.13
  4. Step 4: Simplify right side
    1,683.14x = 1,917,099.31
  5. Step 5: Solve for x
    x = 1,917,099.31/1,683.14
  6. Step 6: Final answer
    x = 1,139.00

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1.5x scale

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.