Home / 3,184.12-4,770.74-1,947.72

Finding the Fourth Proportional to 3,184.12, 4,770.74 and 1,947.72

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Solution

The fourth proportional to 3,184.12, 4,770.74 and 1,947.72 is: 2,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.12 : 4,770.74 = 1,947.72 : x
  2. Step 2: Convert to fraction form
    3,184.12/4,770.74 = 1,947.72/x
  3. Step 3: Cross multiply
    3,184.12x = 4,770.74 × 1,947.72
  4. Step 4: Simplify right side
    3,184.12x = 9,292,065.71
  5. Step 5: Solve for x
    x = 9,292,065.71/3,184.12
  6. Step 6: Final answer
    x = 2,918.25

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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.