Home / 2,887.23-4,330.83-695.95

Finding the Fourth Proportional to 2,887.23, 4,330.83 and 695.95

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Solution

The fourth proportional to 2,887.23, 4,330.83 and 695.95 is: 1,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.23 : 4,330.83 = 695.95 : x
  2. Step 2: Convert to fraction form
    2,887.23/4,330.83 = 695.95/x
  3. Step 3: Cross multiply
    2,887.23x = 4,330.83 × 695.95
  4. Step 4: Simplify right side
    2,887.23x = 3,014,041.14
  5. Step 5: Solve for x
    x = 3,014,041.14/2,887.23
  6. Step 6: Final answer
    x = 1,043.92

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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.