Home / 3,965.90-5,472.98-2,393.69

Finding the Fourth Proportional to 3,965.90, 5,472.98 and 2,393.69

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Solution

The fourth proportional to 3,965.90, 5,472.98 and 2,393.69 is: 3,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.90 : 5,472.98 = 2,393.69 : x
  2. Step 2: Convert to fraction form
    3,965.90/5,472.98 = 2,393.69/x
  3. Step 3: Cross multiply
    3,965.90x = 5,472.98 × 2,393.69
  4. Step 4: Simplify right side
    3,965.90x = 13,100,617.50
  5. Step 5: Solve for x
    x = 13,100,617.50/3,965.90
  6. Step 6: Final answer
    x = 3,303.32

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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.