Home / 3,207.47-4,807.55-1,357.43

Finding the Fourth Proportional to 3,207.47, 4,807.55 and 1,357.43

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Solution

The fourth proportional to 3,207.47, 4,807.55 and 1,357.43 is: 2,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.47 : 4,807.55 = 1,357.43 : x
  2. Step 2: Convert to fraction form
    3,207.47/4,807.55 = 1,357.43/x
  3. Step 3: Cross multiply
    3,207.47x = 4,807.55 × 1,357.43
  4. Step 4: Simplify right side
    3,207.47x = 6,525,881.77
  5. Step 5: Solve for x
    x = 6,525,881.77/3,207.47
  6. Step 6: Final answer
    x = 2,034.59

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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.