Home / 2,876.28-4,313.06-1,643.36

Finding the Fourth Proportional to 2,876.28, 4,313.06 and 1,643.36

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Solution

The fourth proportional to 2,876.28, 4,313.06 and 1,643.36 is: 2,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.28 : 4,313.06 = 1,643.36 : x
  2. Step 2: Convert to fraction form
    2,876.28/4,313.06 = 1,643.36/x
  3. Step 3: Cross multiply
    2,876.28x = 4,313.06 × 1,643.36
  4. Step 4: Simplify right side
    2,876.28x = 7,087,925.36
  5. Step 5: Solve for x
    x = 7,087,925.36/2,876.28
  6. Step 6: Final answer
    x = 2,464.26

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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.