Home / 3,967.40-5,477.25-2,710.28

Finding the Fourth Proportional to 3,967.40, 5,477.25 and 2,710.28

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Solution

The fourth proportional to 3,967.40, 5,477.25 and 2,710.28 is: 3,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.40 : 5,477.25 = 2,710.28 : x
  2. Step 2: Convert to fraction form
    3,967.40/5,477.25 = 2,710.28/x
  3. Step 3: Cross multiply
    3,967.40x = 5,477.25 × 2,710.28
  4. Step 4: Simplify right side
    3,967.40x = 14,844,853.74
  5. Step 5: Solve for x
    x = 14,844,853.74/3,967.40
  6. Step 6: Final answer
    x = 3,741.71

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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.