Home / 3,619.01-5,429.16-1,153.58

Finding the Fourth Proportional to 3,619.01, 5,429.16 and 1,153.58

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Solution

The fourth proportional to 3,619.01, 5,429.16 and 1,153.58 is: 1,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.01 : 5,429.16 = 1,153.58 : x
  2. Step 2: Convert to fraction form
    3,619.01/5,429.16 = 1,153.58/x
  3. Step 3: Cross multiply
    3,619.01x = 5,429.16 × 1,153.58
  4. Step 4: Simplify right side
    3,619.01x = 6,262,943.25
  5. Step 5: Solve for x
    x = 6,262,943.25/3,619.01
  6. Step 6: Final answer
    x = 1,730.57

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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.