Home / 2,958.86-4,439.05-1,110.11

Finding the Fourth Proportional to 2,958.86, 4,439.05 and 1,110.11

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Solution

The fourth proportional to 2,958.86, 4,439.05 and 1,110.11 is: 1,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.86 : 4,439.05 = 1,110.11 : x
  2. Step 2: Convert to fraction form
    2,958.86/4,439.05 = 1,110.11/x
  3. Step 3: Cross multiply
    2,958.86x = 4,439.05 × 1,110.11
  4. Step 4: Simplify right side
    2,958.86x = 4,927,808.82
  5. Step 5: Solve for x
    x = 4,927,808.82/2,958.86
  6. Step 6: Final answer
    x = 1,665.44

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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.