Home / 3,520.66-5,280.93-1,055.44

Finding the Fourth Proportional to 3,520.66, 5,280.93 and 1,055.44

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Solution

The fourth proportional to 3,520.66, 5,280.93 and 1,055.44 is: 1,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.66 : 5,280.93 = 1,055.44 : x
  2. Step 2: Convert to fraction form
    3,520.66/5,280.93 = 1,055.44/x
  3. Step 3: Cross multiply
    3,520.66x = 5,280.93 × 1,055.44
  4. Step 4: Simplify right side
    3,520.66x = 5,573,704.76
  5. Step 5: Solve for x
    x = 5,573,704.76/3,520.66
  6. Step 6: Final answer
    x = 1,583.14

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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.