Home / 2,317.01-3,475.54-911.57

Finding the Fourth Proportional to 2,317.01, 3,475.54 and 911.57

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Solution

The fourth proportional to 2,317.01, 3,475.54 and 911.57 is: 1,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.01 : 3,475.54 = 911.57 : x
  2. Step 2: Convert to fraction form
    2,317.01/3,475.54 = 911.57/x
  3. Step 3: Cross multiply
    2,317.01x = 3,475.54 × 911.57
  4. Step 4: Simplify right side
    2,317.01x = 3,168,184.75
  5. Step 5: Solve for x
    x = 3,168,184.75/2,317.01
  6. Step 6: Final answer
    x = 1,367.36

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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.