Home / 2,329.02-3,218.65-1,908.71

Finding the Fourth Proportional to 2,329.02, 3,218.65 and 1,908.71

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Solution

The fourth proportional to 2,329.02, 3,218.65 and 1,908.71 is: 2,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.02 : 3,218.65 = 1,908.71 : x
  2. Step 2: Convert to fraction form
    2,329.02/3,218.65 = 1,908.71/x
  3. Step 3: Cross multiply
    2,329.02x = 3,218.65 × 1,908.71
  4. Step 4: Simplify right side
    2,329.02x = 6,143,453.35
  5. Step 5: Solve for x
    x = 6,143,453.35/2,329.02
  6. Step 6: Final answer
    x = 2,637.79

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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.