Home / 2,409.81-3,326.09-1,569.05

Finding the Fourth Proportional to 2,409.81, 3,326.09 and 1,569.05

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Solution

The fourth proportional to 2,409.81, 3,326.09 and 1,569.05 is: 2,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.81 : 3,326.09 = 1,569.05 : x
  2. Step 2: Convert to fraction form
    2,409.81/3,326.09 = 1,569.05/x
  3. Step 3: Cross multiply
    2,409.81x = 3,326.09 × 1,569.05
  4. Step 4: Simplify right side
    2,409.81x = 5,218,801.51
  5. Step 5: Solve for x
    x = 5,218,801.51/2,409.81
  6. Step 6: Final answer
    x = 2,165.65

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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.