Home / 3,560.46-5,341.44-1,220.28

Finding the Fourth Proportional to 3,560.46, 5,341.44 and 1,220.28

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Solution

The fourth proportional to 3,560.46, 5,341.44 and 1,220.28 is: 1,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.46 : 5,341.44 = 1,220.28 : x
  2. Step 2: Convert to fraction form
    3,560.46/5,341.44 = 1,220.28/x
  3. Step 3: Cross multiply
    3,560.46x = 5,341.44 × 1,220.28
  4. Step 4: Simplify right side
    3,560.46x = 6,518,052.40
  5. Step 5: Solve for x
    x = 6,518,052.40/3,560.46
  6. Step 6: Final answer
    x = 1,830.68

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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.