Home / 1,827.15-2,516.49-1,578.35

Finding the Fourth Proportional to 1,827.15, 2,516.49 and 1,578.35

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Solution

The fourth proportional to 1,827.15, 2,516.49 and 1,578.35 is: 2,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.15 : 2,516.49 = 1,578.35 : x
  2. Step 2: Convert to fraction form
    1,827.15/2,516.49 = 1,578.35/x
  3. Step 3: Cross multiply
    1,827.15x = 2,516.49 × 1,578.35
  4. Step 4: Simplify right side
    1,827.15x = 3,971,889.41
  5. Step 5: Solve for x
    x = 3,971,889.41/1,827.15
  6. Step 6: Final answer
    x = 2,173.82

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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.