Home / 2,429.78-3,641.07-1,810.58

Finding the Fourth Proportional to 2,429.78, 3,641.07 and 1,810.58

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Solution

The fourth proportional to 2,429.78, 3,641.07 and 1,810.58 is: 2,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.78 : 3,641.07 = 1,810.58 : x
  2. Step 2: Convert to fraction form
    2,429.78/3,641.07 = 1,810.58/x
  3. Step 3: Cross multiply
    2,429.78x = 3,641.07 × 1,810.58
  4. Step 4: Simplify right side
    2,429.78x = 6,592,448.52
  5. Step 5: Solve for x
    x = 6,592,448.52/2,429.78
  6. Step 6: Final answer
    x = 2,713.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.