Home / 2,586.36-3,569.94-1,539.12

Finding the Fourth Proportional to 2,586.36, 3,569.94 and 1,539.12

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Solution

The fourth proportional to 2,586.36, 3,569.94 and 1,539.12 is: 2,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.36 : 3,569.94 = 1,539.12 : x
  2. Step 2: Convert to fraction form
    2,586.36/3,569.94 = 1,539.12/x
  3. Step 3: Cross multiply
    2,586.36x = 3,569.94 × 1,539.12
  4. Step 4: Simplify right side
    2,586.36x = 5,494,566.05
  5. Step 5: Solve for x
    x = 5,494,566.05/2,586.36
  6. Step 6: Final answer
    x = 2,124.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.