Home / 3,435.28-5,151.91-1,790.98

Finding the Fourth Proportional to 3,435.28, 5,151.91 and 1,790.98

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Solution

The fourth proportional to 3,435.28, 5,151.91 and 1,790.98 is: 2,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.28 : 5,151.91 = 1,790.98 : x
  2. Step 2: Convert to fraction form
    3,435.28/5,151.91 = 1,790.98/x
  3. Step 3: Cross multiply
    3,435.28x = 5,151.91 × 1,790.98
  4. Step 4: Simplify right side
    3,435.28x = 9,226,967.77
  5. Step 5: Solve for x
    x = 9,226,967.77/3,435.28
  6. Step 6: Final answer
    x = 2,685.94

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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.