Home / 2,889.15-4,326.34-1,589.19

Finding the Fourth Proportional to 2,889.15, 4,326.34 and 1,589.19

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Solution

The fourth proportional to 2,889.15, 4,326.34 and 1,589.19 is: 2,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.15 : 4,326.34 = 1,589.19 : x
  2. Step 2: Convert to fraction form
    2,889.15/4,326.34 = 1,589.19/x
  3. Step 3: Cross multiply
    2,889.15x = 4,326.34 × 1,589.19
  4. Step 4: Simplify right side
    2,889.15x = 6,875,376.26
  5. Step 5: Solve for x
    x = 6,875,376.26/2,889.15
  6. Step 6: Final answer
    x = 2,379.72

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1.5x scale

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.