Home / 3,448.88-5,173.36-1,140.40

Finding the Fourth Proportional to 3,448.88, 5,173.36 and 1,140.40

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Solution

The fourth proportional to 3,448.88, 5,173.36 and 1,140.40 is: 1,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.88 : 5,173.36 = 1,140.40 : x
  2. Step 2: Convert to fraction form
    3,448.88/5,173.36 = 1,140.40/x
  3. Step 3: Cross multiply
    3,448.88x = 5,173.36 × 1,140.40
  4. Step 4: Simplify right side
    3,448.88x = 5,899,699.74
  5. Step 5: Solve for x
    x = 5,899,699.74/3,448.88
  6. Step 6: Final answer
    x = 1,710.61

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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.