Home / 3,521.93-5,282.87-1,442.90

Finding the Fourth Proportional to 3,521.93, 5,282.87 and 1,442.90

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Solution

The fourth proportional to 3,521.93, 5,282.87 and 1,442.90 is: 2,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.93 : 5,282.87 = 1,442.90 : x
  2. Step 2: Convert to fraction form
    3,521.93/5,282.87 = 1,442.90/x
  3. Step 3: Cross multiply
    3,521.93x = 5,282.87 × 1,442.90
  4. Step 4: Simplify right side
    3,521.93x = 7,622,630.32
  5. Step 5: Solve for x
    x = 7,622,630.32/3,521.93
  6. Step 6: Final answer
    x = 2,164.34

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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.