Home / 2,348.44-3,518.72-1,421.18

Finding the Fourth Proportional to 2,348.44, 3,518.72 and 1,421.18

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Solution

The fourth proportional to 2,348.44, 3,518.72 and 1,421.18 is: 2,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.44 : 3,518.72 = 1,421.18 : x
  2. Step 2: Convert to fraction form
    2,348.44/3,518.72 = 1,421.18/x
  3. Step 3: Cross multiply
    2,348.44x = 3,518.72 × 1,421.18
  4. Step 4: Simplify right side
    2,348.44x = 5,000,734.49
  5. Step 5: Solve for x
    x = 5,000,734.49/2,348.44
  6. Step 6: Final answer
    x = 2,129.39

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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.