Home / 3,509.61-4,843.24-1,937.69

Finding the Fourth Proportional to 3,509.61, 4,843.24 and 1,937.69

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Solution

The fourth proportional to 3,509.61, 4,843.24 and 1,937.69 is: 2,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.61 : 4,843.24 = 1,937.69 : x
  2. Step 2: Convert to fraction form
    3,509.61/4,843.24 = 1,937.69/x
  3. Step 3: Cross multiply
    3,509.61x = 4,843.24 × 1,937.69
  4. Step 4: Simplify right side
    3,509.61x = 9,384,697.72
  5. Step 5: Solve for x
    x = 9,384,697.72/3,509.61
  6. Step 6: Final answer
    x = 2,674.00

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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.