Home / 1,680.08-2,520.94-1,534.28

Finding the Fourth Proportional to 1,680.08, 2,520.94 and 1,534.28

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Solution

The fourth proportional to 1,680.08, 2,520.94 and 1,534.28 is: 2,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.08 : 2,520.94 = 1,534.28 : x
  2. Step 2: Convert to fraction form
    1,680.08/2,520.94 = 1,534.28/x
  3. Step 3: Cross multiply
    1,680.08x = 2,520.94 × 1,534.28
  4. Step 4: Simplify right side
    1,680.08x = 3,867,827.82
  5. Step 5: Solve for x
    x = 3,867,827.82/1,680.08
  6. Step 6: Final answer
    x = 2,302.17

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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.