Home / 2,586.20-3,568.95-1,407.24

Finding the Fourth Proportional to 2,586.20, 3,568.95 and 1,407.24

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Solution

The fourth proportional to 2,586.20, 3,568.95 and 1,407.24 is: 1,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.20 : 3,568.95 = 1,407.24 : x
  2. Step 2: Convert to fraction form
    2,586.20/3,568.95 = 1,407.24/x
  3. Step 3: Cross multiply
    2,586.20x = 3,568.95 × 1,407.24
  4. Step 4: Simplify right side
    2,586.20x = 5,022,369.20
  5. Step 5: Solve for x
    x = 5,022,369.20/2,586.20
  6. Step 6: Final answer
    x = 1,941.99

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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.