Home / 3,549.36-4,896.72-2,371.20

Finding the Fourth Proportional to 3,549.36, 4,896.72 and 2,371.20

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Solution

The fourth proportional to 3,549.36, 4,896.72 and 2,371.20 is: 3,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.36 : 4,896.72 = 2,371.20 : x
  2. Step 2: Convert to fraction form
    3,549.36/4,896.72 = 2,371.20/x
  3. Step 3: Cross multiply
    3,549.36x = 4,896.72 × 2,371.20
  4. Step 4: Simplify right side
    3,549.36x = 11,611,102.46
  5. Step 5: Solve for x
    x = 11,611,102.46/3,549.36
  6. Step 6: Final answer
    x = 3,271.32

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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.