Home / 2,329.19-3,210.53-1,908.80

Finding the Fourth Proportional to 2,329.19, 3,210.53 and 1,908.80

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Solution

The fourth proportional to 2,329.19, 3,210.53 and 1,908.80 is: 2,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.19 : 3,210.53 = 1,908.80 : x
  2. Step 2: Convert to fraction form
    2,329.19/3,210.53 = 1,908.80/x
  3. Step 3: Cross multiply
    2,329.19x = 3,210.53 × 1,908.80
  4. Step 4: Simplify right side
    2,329.19x = 6,128,259.66
  5. Step 5: Solve for x
    x = 6,128,259.66/2,329.19
  6. Step 6: Final answer
    x = 2,631.07

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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.