Home / 3,480.04-5,222.13-1,400.23

Finding the Fourth Proportional to 3,480.04, 5,222.13 and 1,400.23

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Solution

The fourth proportional to 3,480.04, 5,222.13 and 1,400.23 is: 2,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.04 : 5,222.13 = 1,400.23 : x
  2. Step 2: Convert to fraction form
    3,480.04/5,222.13 = 1,400.23/x
  3. Step 3: Cross multiply
    3,480.04x = 5,222.13 × 1,400.23
  4. Step 4: Simplify right side
    3,480.04x = 7,312,183.09
  5. Step 5: Solve for x
    x = 7,312,183.09/3,480.04
  6. Step 6: Final answer
    x = 2,101.18

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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.