Home / 3,073.68-4,242.56-1,814.94

Finding the Fourth Proportional to 3,073.68, 4,242.56 and 1,814.94

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Solution

The fourth proportional to 3,073.68, 4,242.56 and 1,814.94 is: 2,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.68 : 4,242.56 = 1,814.94 : x
  2. Step 2: Convert to fraction form
    3,073.68/4,242.56 = 1,814.94/x
  3. Step 3: Cross multiply
    3,073.68x = 4,242.56 × 1,814.94
  4. Step 4: Simplify right side
    3,073.68x = 7,699,982.77
  5. Step 5: Solve for x
    x = 7,699,982.77/3,073.68
  6. Step 6: Final answer
    x = 2,505.13

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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.