Home / 2,551.58-3,827.77-1,165.40

Finding the Fourth Proportional to 2,551.58, 3,827.77 and 1,165.40

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Solution

The fourth proportional to 2,551.58, 3,827.77 and 1,165.40 is: 1,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.58 : 3,827.77 = 1,165.40 : x
  2. Step 2: Convert to fraction form
    2,551.58/3,827.77 = 1,165.40/x
  3. Step 3: Cross multiply
    2,551.58x = 3,827.77 × 1,165.40
  4. Step 4: Simplify right side
    2,551.58x = 4,460,861.11
  5. Step 5: Solve for x
    x = 4,460,861.11/2,551.58
  6. Step 6: Final answer
    x = 1,748.28

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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.