Home / 3,417.72-5,114.70-2,953.32

Finding the Fourth Proportional to 3,417.72, 5,114.70 and 2,953.32

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Solution

The fourth proportional to 3,417.72, 5,114.70 and 2,953.32 is: 4,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.72 : 5,114.70 = 2,953.32 : x
  2. Step 2: Convert to fraction form
    3,417.72/5,114.70 = 2,953.32/x
  3. Step 3: Cross multiply
    3,417.72x = 5,114.70 × 2,953.32
  4. Step 4: Simplify right side
    3,417.72x = 15,105,345.80
  5. Step 5: Solve for x
    x = 15,105,345.80/3,417.72
  6. Step 6: Final answer
    x = 4,419.71

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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.