Home / 3,883.74-5,360.29-3,646.36

Finding the Fourth Proportional to 3,883.74, 5,360.29 and 3,646.36

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Solution

The fourth proportional to 3,883.74, 5,360.29 and 3,646.36 is: 5,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.74 : 5,360.29 = 3,646.36 : x
  2. Step 2: Convert to fraction form
    3,883.74/5,360.29 = 3,646.36/x
  3. Step 3: Cross multiply
    3,883.74x = 5,360.29 × 3,646.36
  4. Step 4: Simplify right side
    3,883.74x = 19,545,528.81
  5. Step 5: Solve for x
    x = 19,545,528.81/3,883.74
  6. Step 6: Final answer
    x = 5,032.66

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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.