Home / 3,419.36-4,718.68-1,927.56

Finding the Fourth Proportional to 3,419.36, 4,718.68 and 1,927.56

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Solution

The fourth proportional to 3,419.36, 4,718.68 and 1,927.56 is: 2,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.36 : 4,718.68 = 1,927.56 : x
  2. Step 2: Convert to fraction form
    3,419.36/4,718.68 = 1,927.56/x
  3. Step 3: Cross multiply
    3,419.36x = 4,718.68 × 1,927.56
  4. Step 4: Simplify right side
    3,419.36x = 9,095,538.82
  5. Step 5: Solve for x
    x = 9,095,538.82/3,419.36
  6. Step 6: Final answer
    x = 2,660.01

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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.