Home / 3,212.39-4,818.71-1,570.31

Finding the Fourth Proportional to 3,212.39, 4,818.71 and 1,570.31

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Solution

The fourth proportional to 3,212.39, 4,818.71 and 1,570.31 is: 2,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.39 : 4,818.71 = 1,570.31 : x
  2. Step 2: Convert to fraction form
    3,212.39/4,818.71 = 1,570.31/x
  3. Step 3: Cross multiply
    3,212.39x = 4,818.71 × 1,570.31
  4. Step 4: Simplify right side
    3,212.39x = 7,566,884.47
  5. Step 5: Solve for x
    x = 7,566,884.47/3,212.39
  6. Step 6: Final answer
    x = 2,355.53

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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.