Home / 2,261.48-3,389.63-1,521.54

Finding the Fourth Proportional to 2,261.48, 3,389.63 and 1,521.54

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Solution

The fourth proportional to 2,261.48, 3,389.63 and 1,521.54 is: 2,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.48 : 3,389.63 = 1,521.54 : x
  2. Step 2: Convert to fraction form
    2,261.48/3,389.63 = 1,521.54/x
  3. Step 3: Cross multiply
    2,261.48x = 3,389.63 × 1,521.54
  4. Step 4: Simplify right side
    2,261.48x = 5,157,450.02
  5. Step 5: Solve for x
    x = 5,157,450.02/2,261.48
  6. Step 6: Final answer
    x = 2,280.57

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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.