Home / 2,014.19-3,021.87-715.76

Finding the Fourth Proportional to 2,014.19, 3,021.87 and 715.76

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Solution

The fourth proportional to 2,014.19, 3,021.87 and 715.76 is: 1,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.19 : 3,021.87 = 715.76 : x
  2. Step 2: Convert to fraction form
    2,014.19/3,021.87 = 715.76/x
  3. Step 3: Cross multiply
    2,014.19x = 3,021.87 × 715.76
  4. Step 4: Simplify right side
    2,014.19x = 2,162,933.67
  5. Step 5: Solve for x
    x = 2,162,933.67/2,014.19
  6. Step 6: Final answer
    x = 1,073.85

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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.