Home / 3,642.24-5,030.72-3,616.64

Finding the Fourth Proportional to 3,642.24, 5,030.72 and 3,616.64

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Solution

The fourth proportional to 3,642.24, 5,030.72 and 3,616.64 is: 4,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.24 : 5,030.72 = 3,616.64 : x
  2. Step 2: Convert to fraction form
    3,642.24/5,030.72 = 3,616.64/x
  3. Step 3: Cross multiply
    3,642.24x = 5,030.72 × 3,616.64
  4. Step 4: Simplify right side
    3,642.24x = 18,194,303.18
  5. Step 5: Solve for x
    x = 18,194,303.18/3,642.24
  6. Step 6: Final answer
    x = 4,995.36

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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.