Home / 1,739.25-2,399.70-1,030.89

Finding the Fourth Proportional to 1,739.25, 2,399.70 and 1,030.89

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Solution

The fourth proportional to 1,739.25, 2,399.70 and 1,030.89 is: 1,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.25 : 2,399.70 = 1,030.89 : x
  2. Step 2: Convert to fraction form
    1,739.25/2,399.70 = 1,030.89/x
  3. Step 3: Cross multiply
    1,739.25x = 2,399.70 × 1,030.89
  4. Step 4: Simplify right side
    1,739.25x = 2,473,826.73
  5. Step 5: Solve for x
    x = 2,473,826.73/1,739.25
  6. Step 6: Final answer
    x = 1,422.35

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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.