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Finding the Fourth Proportional to 1,757.36, 2,637.68 and 892.28

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Solution

The fourth proportional to 1,757.36, 2,637.68 and 892.28 is: 1,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.36 : 2,637.68 = 892.28 : x
  2. Step 2: Convert to fraction form
    1,757.36/2,637.68 = 892.28/x
  3. Step 3: Cross multiply
    1,757.36x = 2,637.68 × 892.28
  4. Step 4: Simplify right side
    1,757.36x = 2,353,549.11
  5. Step 5: Solve for x
    x = 2,353,549.11/1,757.36
  6. Step 6: Final answer
    x = 1,339.25

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1.5x scale

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.