Home / 2,854.42-4,279.03-1,098.30

Finding the Fourth Proportional to 2,854.42, 4,279.03 and 1,098.30

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Solution

The fourth proportional to 2,854.42, 4,279.03 and 1,098.30 is: 1,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.42 : 4,279.03 = 1,098.30 : x
  2. Step 2: Convert to fraction form
    2,854.42/4,279.03 = 1,098.30/x
  3. Step 3: Cross multiply
    2,854.42x = 4,279.03 × 1,098.30
  4. Step 4: Simplify right side
    2,854.42x = 4,699,675.06
  5. Step 5: Solve for x
    x = 4,699,675.06/2,854.42
  6. Step 6: Final answer
    x = 1,646.46

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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.