Home / 3,411.47-5,117.36-946.23

Finding the Fourth Proportional to 3,411.47, 5,117.36 and 946.23

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Solution

The fourth proportional to 3,411.47, 5,117.36 and 946.23 is: 1,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.47 : 5,117.36 = 946.23 : x
  2. Step 2: Convert to fraction form
    3,411.47/5,117.36 = 946.23/x
  3. Step 3: Cross multiply
    3,411.47x = 5,117.36 × 946.23
  4. Step 4: Simplify right side
    3,411.47x = 4,842,194.82
  5. Step 5: Solve for x
    x = 4,842,194.82/3,411.47
  6. Step 6: Final answer
    x = 1,419.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.