Home / 1,743.80-2,406.18-1,045

Finding the Fourth Proportional to 1,743.80, 2,406.18 and 1,045

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Solution

The fourth proportional to 1,743.80, 2,406.18 and 1,045 is: 1,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.80 : 2,406.18 = 1,045 : x
  2. Step 2: Convert to fraction form
    1,743.80/2,406.18 = 1,045/x
  3. Step 3: Cross multiply
    1,743.80x = 2,406.18 × 1,045
  4. Step 4: Simplify right side
    1,743.80x = 2,514,458.10
  5. Step 5: Solve for x
    x = 2,514,458.10/1,743.80
  6. Step 6: Final answer
    x = 1,441.94

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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.