Home / 2,284.16-3,430.20-2,180.28

Finding the Fourth Proportional to 2,284.16, 3,430.20 and 2,180.28

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Solution

The fourth proportional to 2,284.16, 3,430.20 and 2,180.28 is: 3,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.16 : 3,430.20 = 2,180.28 : x
  2. Step 2: Convert to fraction form
    2,284.16/3,430.20 = 2,180.28/x
  3. Step 3: Cross multiply
    2,284.16x = 3,430.20 × 2,180.28
  4. Step 4: Simplify right side
    2,284.16x = 7,478,796.46
  5. Step 5: Solve for x
    x = 7,478,796.46/2,284.16
  6. Step 6: Final answer
    x = 3,274.20

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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.