Home / 2,853.18-4,279.61-1,097.84

Finding the Fourth Proportional to 2,853.18, 4,279.61 and 1,097.84

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Solution

The fourth proportional to 2,853.18, 4,279.61 and 1,097.84 is: 1,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.18 : 4,279.61 = 1,097.84 : x
  2. Step 2: Convert to fraction form
    2,853.18/4,279.61 = 1,097.84/x
  3. Step 3: Cross multiply
    2,853.18x = 4,279.61 × 1,097.84
  4. Step 4: Simplify right side
    2,853.18x = 4,698,300.16
  5. Step 5: Solve for x
    x = 4,698,300.16/2,853.18
  6. Step 6: Final answer
    x = 1,646.69

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1.5x scale

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.