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Finding the Fourth Proportional to 3,012.48, 4,156.04 and 1,834.24

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Solution

The fourth proportional to 3,012.48, 4,156.04 and 1,834.24 is: 2,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.48 : 4,156.04 = 1,834.24 : x
  2. Step 2: Convert to fraction form
    3,012.48/4,156.04 = 1,834.24/x
  3. Step 3: Cross multiply
    3,012.48x = 4,156.04 × 1,834.24
  4. Step 4: Simplify right side
    3,012.48x = 7,623,174.81
  5. Step 5: Solve for x
    x = 7,623,174.81/3,012.48
  6. Step 6: Final answer
    x = 2,530.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.