Home / 1,751.04-2,416.26-1,078.74

Finding the Fourth Proportional to 1,751.04, 2,416.26 and 1,078.74

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Solution

The fourth proportional to 1,751.04, 2,416.26 and 1,078.74 is: 1,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.04 : 2,416.26 = 1,078.74 : x
  2. Step 2: Convert to fraction form
    1,751.04/2,416.26 = 1,078.74/x
  3. Step 3: Cross multiply
    1,751.04x = 2,416.26 × 1,078.74
  4. Step 4: Simplify right side
    1,751.04x = 2,606,516.31
  5. Step 5: Solve for x
    x = 2,606,516.31/1,751.04
  6. Step 6: Final answer
    x = 1,488.55

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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.