Home / 3,619.08-5,429.43-1,153.74

Finding the Fourth Proportional to 3,619.08, 5,429.43 and 1,153.74

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Solution

The fourth proportional to 3,619.08, 5,429.43 and 1,153.74 is: 1,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.08 : 5,429.43 = 1,153.74 : x
  2. Step 2: Convert to fraction form
    3,619.08/5,429.43 = 1,153.74/x
  3. Step 3: Cross multiply
    3,619.08x = 5,429.43 × 1,153.74
  4. Step 4: Simplify right side
    3,619.08x = 6,264,150.57
  5. Step 5: Solve for x
    x = 6,264,150.57/3,619.08
  6. Step 6: Final answer
    x = 1,730.87

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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.