Home / 3,012.05-4,154.96-2,117.16

Finding the Fourth Proportional to 3,012.05, 4,154.96 and 2,117.16

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Solution

The fourth proportional to 3,012.05, 4,154.96 and 2,117.16 is: 2,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.05 : 4,154.96 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    3,012.05/4,154.96 = 2,117.16/x
  3. Step 3: Cross multiply
    3,012.05x = 4,154.96 × 2,117.16
  4. Step 4: Simplify right side
    3,012.05x = 8,796,715.11
  5. Step 5: Solve for x
    x = 8,796,715.11/3,012.05
  6. Step 6: Final answer
    x = 2,920.51

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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.