Home / 3,411.39-5,117.70-946.16

Finding the Fourth Proportional to 3,411.39, 5,117.70 and 946.16

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Solution

The fourth proportional to 3,411.39, 5,117.70 and 946.16 is: 1,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.39 : 5,117.70 = 946.16 : x
  2. Step 2: Convert to fraction form
    3,411.39/5,117.70 = 946.16/x
  3. Step 3: Cross multiply
    3,411.39x = 5,117.70 × 946.16
  4. Step 4: Simplify right side
    3,411.39x = 4,842,137.44
  5. Step 5: Solve for x
    x = 4,842,137.44/3,411.39
  6. Step 6: Final answer
    x = 1,419.40

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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.