Home / 3,357.09-4,632.57-1,864.89

Finding the Fourth Proportional to 3,357.09, 4,632.57 and 1,864.89

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Solution

The fourth proportional to 3,357.09, 4,632.57 and 1,864.89 is: 2,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.09 : 4,632.57 = 1,864.89 : x
  2. Step 2: Convert to fraction form
    3,357.09/4,632.57 = 1,864.89/x
  3. Step 3: Cross multiply
    3,357.09x = 4,632.57 × 1,864.89
  4. Step 4: Simplify right side
    3,357.09x = 8,639,233.47
  5. Step 5: Solve for x
    x = 8,639,233.47/3,357.09
  6. Step 6: Final answer
    x = 2,573.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.