Home / 3,349.07-4,621.76-1,857.12

Finding the Fourth Proportional to 3,349.07, 4,621.76 and 1,857.12

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Solution

The fourth proportional to 3,349.07, 4,621.76 and 1,857.12 is: 2,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.07 : 4,621.76 = 1,857.12 : x
  2. Step 2: Convert to fraction form
    3,349.07/4,621.76 = 1,857.12/x
  3. Step 3: Cross multiply
    3,349.07x = 4,621.76 × 1,857.12
  4. Step 4: Simplify right side
    3,349.07x = 8,583,162.93
  5. Step 5: Solve for x
    x = 8,583,162.93/3,349.07
  6. Step 6: Final answer
    x = 2,562.85

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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.