Home / 1,527.10-2,107.44-863.93

Finding the Fourth Proportional to 1,527.10, 2,107.44 and 863.93

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Solution

The fourth proportional to 1,527.10, 2,107.44 and 863.93 is: 1,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.10 : 2,107.44 = 863.93 : x
  2. Step 2: Convert to fraction form
    1,527.10/2,107.44 = 863.93/x
  3. Step 3: Cross multiply
    1,527.10x = 2,107.44 × 863.93
  4. Step 4: Simplify right side
    1,527.10x = 1,820,676.32
  5. Step 5: Solve for x
    x = 1,820,676.32/1,527.10
  6. Step 6: Final answer
    x = 1,192.25

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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.