Home / 3,739.49-5,123.12-3,599.36

Finding the Fourth Proportional to 3,739.49, 5,123.12 and 3,599.36

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Solution

The fourth proportional to 3,739.49, 5,123.12 and 3,599.36 is: 4,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.49 : 5,123.12 = 3,599.36 : x
  2. Step 2: Convert to fraction form
    3,739.49/5,123.12 = 3,599.36/x
  3. Step 3: Cross multiply
    3,739.49x = 5,123.12 × 3,599.36
  4. Step 4: Simplify right side
    3,739.49x = 18,439,953.20
  5. Step 5: Solve for x
    x = 18,439,953.20/3,739.49
  6. Step 6: Final answer
    x = 4,931.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.