Home / 3,642.03-5,457.85-2,816.44

Finding the Fourth Proportional to 3,642.03, 5,457.85 and 2,816.44

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Solution

The fourth proportional to 3,642.03, 5,457.85 and 2,816.44 is: 4,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.03 : 5,457.85 = 2,816.44 : x
  2. Step 2: Convert to fraction form
    3,642.03/5,457.85 = 2,816.44/x
  3. Step 3: Cross multiply
    3,642.03x = 5,457.85 × 2,816.44
  4. Step 4: Simplify right side
    3,642.03x = 15,371,686.37
  5. Step 5: Solve for x
    x = 15,371,686.37/3,642.03
  6. Step 6: Final answer
    x = 4,220.64

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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.