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Finding the Fourth Proportional to 2,014.34, 3,021.52 and 715.81

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Solution

The fourth proportional to 2,014.34, 3,021.52 and 715.81 is: 1,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.34 : 3,021.52 = 715.81 : x
  2. Step 2: Convert to fraction form
    2,014.34/3,021.52 = 715.81/x
  3. Step 3: Cross multiply
    2,014.34x = 3,021.52 × 715.81
  4. Step 4: Simplify right side
    2,014.34x = 2,162,834.23
  5. Step 5: Solve for x
    x = 2,162,834.23/2,014.34
  6. Step 6: Final answer
    x = 1,073.72

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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.