Home / 3,521.44-5,280.60-1,055.44

Finding the Fourth Proportional to 3,521.44, 5,280.60 and 1,055.44

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Solution

The fourth proportional to 3,521.44, 5,280.60 and 1,055.44 is: 1,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.44 : 5,280.60 = 1,055.44 : x
  2. Step 2: Convert to fraction form
    3,521.44/5,280.60 = 1,055.44/x
  3. Step 3: Cross multiply
    3,521.44x = 5,280.60 × 1,055.44
  4. Step 4: Simplify right side
    3,521.44x = 5,573,356.46
  5. Step 5: Solve for x
    x = 5,573,356.46/3,521.44
  6. Step 6: Final answer
    x = 1,582.69

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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.