Home / 2,752.58-4,129.06-1,109.13

Finding the Fourth Proportional to 2,752.58, 4,129.06 and 1,109.13

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Solution

The fourth proportional to 2,752.58, 4,129.06 and 1,109.13 is: 1,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.58 : 4,129.06 = 1,109.13 : x
  2. Step 2: Convert to fraction form
    2,752.58/4,129.06 = 1,109.13/x
  3. Step 3: Cross multiply
    2,752.58x = 4,129.06 × 1,109.13
  4. Step 4: Simplify right side
    2,752.58x = 4,579,658.77
  5. Step 5: Solve for x
    x = 4,579,658.77/2,752.58
  6. Step 6: Final answer
    x = 1,663.77

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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.