Home / 3,051.34-4,209.51-1,790.17

Finding the Fourth Proportional to 3,051.34, 4,209.51 and 1,790.17

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Solution

The fourth proportional to 3,051.34, 4,209.51 and 1,790.17 is: 2,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.34 : 4,209.51 = 1,790.17 : x
  2. Step 2: Convert to fraction form
    3,051.34/4,209.51 = 1,790.17/x
  3. Step 3: Cross multiply
    3,051.34x = 4,209.51 × 1,790.17
  4. Step 4: Simplify right side
    3,051.34x = 7,535,717.47
  5. Step 5: Solve for x
    x = 7,535,717.47/3,051.34
  6. Step 6: Final answer
    x = 2,469.65

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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.