Home / 3,457.10-5,185.50-1,117.22

Finding the Fourth Proportional to 3,457.10, 5,185.50 and 1,117.22

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Solution

The fourth proportional to 3,457.10, 5,185.50 and 1,117.22 is: 1,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.10 : 5,185.50 = 1,117.22 : x
  2. Step 2: Convert to fraction form
    3,457.10/5,185.50 = 1,117.22/x
  3. Step 3: Cross multiply
    3,457.10x = 5,185.50 × 1,117.22
  4. Step 4: Simplify right side
    3,457.10x = 5,793,318.38
  5. Step 5: Solve for x
    x = 5,793,318.38/3,457.10
  6. Step 6: Final answer
    x = 1,675.78

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Half scale
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Double scale
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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.