Home / 1,441.56-2,162.35-1,112.98

Finding the Fourth Proportional to 1,441.56, 2,162.35 and 1,112.98

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Solution

The fourth proportional to 1,441.56, 2,162.35 and 1,112.98 is: 1,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.56 : 2,162.35 = 1,112.98 : x
  2. Step 2: Convert to fraction form
    1,441.56/2,162.35 = 1,112.98/x
  3. Step 3: Cross multiply
    1,441.56x = 2,162.35 × 1,112.98
  4. Step 4: Simplify right side
    1,441.56x = 2,406,652.16
  5. Step 5: Solve for x
    x = 2,406,652.16/1,441.56
  6. Step 6: Final answer
    x = 1,669.47

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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.