Home / 1,788.83-2,468.49-1,042.91

Finding the Fourth Proportional to 1,788.83, 2,468.49 and 1,042.91

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Solution

The fourth proportional to 1,788.83, 2,468.49 and 1,042.91 is: 1,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.83 : 2,468.49 = 1,042.91 : x
  2. Step 2: Convert to fraction form
    1,788.83/2,468.49 = 1,042.91/x
  3. Step 3: Cross multiply
    1,788.83x = 2,468.49 × 1,042.91
  4. Step 4: Simplify right side
    1,788.83x = 2,574,412.91
  5. Step 5: Solve for x
    x = 2,574,412.91/1,788.83
  6. Step 6: Final answer
    x = 1,439.16

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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.