Home / 2,583.29-3,868.90-1,888.21

Finding the Fourth Proportional to 2,583.29, 3,868.90 and 1,888.21

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Solution

The fourth proportional to 2,583.29, 3,868.90 and 1,888.21 is: 2,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.29 : 3,868.90 = 1,888.21 : x
  2. Step 2: Convert to fraction form
    2,583.29/3,868.90 = 1,888.21/x
  3. Step 3: Cross multiply
    2,583.29x = 3,868.90 × 1,888.21
  4. Step 4: Simplify right side
    2,583.29x = 7,305,295.78
  5. Step 5: Solve for x
    x = 7,305,295.78/2,583.29
  6. Step 6: Final answer
    x = 2,827.90

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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.