Home / 3,214.90-4,822.35-1,675.70

Finding the Fourth Proportional to 3,214.90, 4,822.35 and 1,675.70

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Solution

The fourth proportional to 3,214.90, 4,822.35 and 1,675.70 is: 2,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.90 : 4,822.35 = 1,675.70 : x
  2. Step 2: Convert to fraction form
    3,214.90/4,822.35 = 1,675.70/x
  3. Step 3: Cross multiply
    3,214.90x = 4,822.35 × 1,675.70
  4. Step 4: Simplify right side
    3,214.90x = 8,080,811.90
  5. Step 5: Solve for x
    x = 8,080,811.90/3,214.90
  6. Step 6: Final answer
    x = 2,513.55

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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.