Home / 2,754.79-4,130.76-1,110.89

Finding the Fourth Proportional to 2,754.79, 4,130.76 and 1,110.89

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Solution

The fourth proportional to 2,754.79, 4,130.76 and 1,110.89 is: 1,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.79 : 4,130.76 = 1,110.89 : x
  2. Step 2: Convert to fraction form
    2,754.79/4,130.76 = 1,110.89/x
  3. Step 3: Cross multiply
    2,754.79x = 4,130.76 × 1,110.89
  4. Step 4: Simplify right side
    2,754.79x = 4,588,819.98
  5. Step 5: Solve for x
    x = 4,588,819.98/2,754.79
  6. Step 6: Final answer
    x = 1,665.76

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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.