Home / 1,139.94-1,708.07-1,030.59

Finding the Fourth Proportional to 1,139.94, 1,708.07 and 1,030.59

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Solution

The fourth proportional to 1,139.94, 1,708.07 and 1,030.59 is: 1,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139.94 : 1,708.07 = 1,030.59 : x
  2. Step 2: Convert to fraction form
    1,139.94/1,708.07 = 1,030.59/x
  3. Step 3: Cross multiply
    1,139.94x = 1,708.07 × 1,030.59
  4. Step 4: Simplify right side
    1,139.94x = 1,760,314.71
  5. Step 5: Solve for x
    x = 1,760,314.71/1,139.94
  6. Step 6: Final answer
    x = 1,544.22

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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.