Home / 1,110.60-1,656.09-1,074.96

Finding the Fourth Proportional to 1,110.60, 1,656.09 and 1,074.96

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Solution

The fourth proportional to 1,110.60, 1,656.09 and 1,074.96 is: 1,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.60 : 1,656.09 = 1,074.96 : x
  2. Step 2: Convert to fraction form
    1,110.60/1,656.09 = 1,074.96/x
  3. Step 3: Cross multiply
    1,110.60x = 1,656.09 × 1,074.96
  4. Step 4: Simplify right side
    1,110.60x = 1,780,230.51
  5. Step 5: Solve for x
    x = 1,780,230.51/1,110.60
  6. Step 6: Final answer
    x = 1,602.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.