Home / 3,586.21-5,378.33-2,543.13

Finding the Fourth Proportional to 3,586.21, 5,378.33 and 2,543.13

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Solution

The fourth proportional to 3,586.21, 5,378.33 and 2,543.13 is: 3,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.21 : 5,378.33 = 2,543.13 : x
  2. Step 2: Convert to fraction form
    3,586.21/5,378.33 = 2,543.13/x
  3. Step 3: Cross multiply
    3,586.21x = 5,378.33 × 2,543.13
  4. Step 4: Simplify right side
    3,586.21x = 13,677,792.37
  5. Step 5: Solve for x
    x = 13,677,792.37/3,586.21
  6. Step 6: Final answer
    x = 3,814.00

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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.