Home / 2,429.95-3,352.75-1,382.59

Finding the Fourth Proportional to 2,429.95, 3,352.75 and 1,382.59

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Solution

The fourth proportional to 2,429.95, 3,352.75 and 1,382.59 is: 1,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.95 : 3,352.75 = 1,382.59 : x
  2. Step 2: Convert to fraction form
    2,429.95/3,352.75 = 1,382.59/x
  3. Step 3: Cross multiply
    2,429.95x = 3,352.75 × 1,382.59
  4. Step 4: Simplify right side
    2,429.95x = 4,635,478.62
  5. Step 5: Solve for x
    x = 4,635,478.62/2,429.95
  6. Step 6: Final answer
    x = 1,907.64

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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.