Home / 2,366.78-3,267.80-1,583.10

Finding the Fourth Proportional to 2,366.78, 3,267.80 and 1,583.10

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Solution

The fourth proportional to 2,366.78, 3,267.80 and 1,583.10 is: 2,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.78 : 3,267.80 = 1,583.10 : x
  2. Step 2: Convert to fraction form
    2,366.78/3,267.80 = 1,583.10/x
  3. Step 3: Cross multiply
    2,366.78x = 3,267.80 × 1,583.10
  4. Step 4: Simplify right side
    2,366.78x = 5,173,254.18
  5. Step 5: Solve for x
    x = 5,173,254.18/2,366.78
  6. Step 6: Final answer
    x = 2,185.78

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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.