Home / 1,769.90-2,649.45-1,037.30

Finding the Fourth Proportional to 1,769.90, 2,649.45 and 1,037.30

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Solution

The fourth proportional to 1,769.90, 2,649.45 and 1,037.30 is: 1,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.90 : 2,649.45 = 1,037.30 : x
  2. Step 2: Convert to fraction form
    1,769.90/2,649.45 = 1,037.30/x
  3. Step 3: Cross multiply
    1,769.90x = 2,649.45 × 1,037.30
  4. Step 4: Simplify right side
    1,769.90x = 2,748,274.49
  5. Step 5: Solve for x
    x = 2,748,274.49/1,769.90
  6. Step 6: Final answer
    x = 1,552.79

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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.