Home / 1,769.79-2,654.68-537.20

Finding the Fourth Proportional to 1,769.79, 2,654.68 and 537.20

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Solution

The fourth proportional to 1,769.79, 2,654.68 and 537.20 is: 805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.79 : 2,654.68 = 537.20 : x
  2. Step 2: Convert to fraction form
    1,769.79/2,654.68 = 537.20/x
  3. Step 3: Cross multiply
    1,769.79x = 2,654.68 × 537.20
  4. Step 4: Simplify right side
    1,769.79x = 1,426,094.10
  5. Step 5: Solve for x
    x = 1,426,094.10/1,769.79
  6. Step 6: Final answer
    x = 805.80

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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.