Home / 3,509.70-4,843.44-1,937.76

Finding the Fourth Proportional to 3,509.70, 4,843.44 and 1,937.76

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Solution

The fourth proportional to 3,509.70, 4,843.44 and 1,937.76 is: 2,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.70 : 4,843.44 = 1,937.76 : x
  2. Step 2: Convert to fraction form
    3,509.70/4,843.44 = 1,937.76/x
  3. Step 3: Cross multiply
    3,509.70x = 4,843.44 × 1,937.76
  4. Step 4: Simplify right side
    3,509.70x = 9,385,424.29
  5. Step 5: Solve for x
    x = 9,385,424.29/3,509.70
  6. Step 6: Final answer
    x = 2,674.14

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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.