Home / 3,518.24-5,278.10-1,053.07

Finding the Fourth Proportional to 3,518.24, 5,278.10 and 1,053.07

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Solution

The fourth proportional to 3,518.24, 5,278.10 and 1,053.07 is: 1,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.24 : 5,278.10 = 1,053.07 : x
  2. Step 2: Convert to fraction form
    3,518.24/5,278.10 = 1,053.07/x
  3. Step 3: Cross multiply
    3,518.24x = 5,278.10 × 1,053.07
  4. Step 4: Simplify right side
    3,518.24x = 5,558,190.31
  5. Step 5: Solve for x
    x = 5,558,190.31/3,518.24
  6. Step 6: Final answer
    x = 1,579.82

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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.