Home / 2,927.64-4,038.62-1,983.50

Finding the Fourth Proportional to 2,927.64, 4,038.62 and 1,983.50

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Solution

The fourth proportional to 2,927.64, 4,038.62 and 1,983.50 is: 2,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.64 : 4,038.62 = 1,983.50 : x
  2. Step 2: Convert to fraction form
    2,927.64/4,038.62 = 1,983.50/x
  3. Step 3: Cross multiply
    2,927.64x = 4,038.62 × 1,983.50
  4. Step 4: Simplify right side
    2,927.64x = 8,010,572.66
  5. Step 5: Solve for x
    x = 8,010,572.66/2,927.64
  6. Step 6: Final answer
    x = 2,736.19

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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.