Home / 2,904.17-4,007.45-1,645.25

Finding the Fourth Proportional to 2,904.17, 4,007.45 and 1,645.25

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Solution

The fourth proportional to 2,904.17, 4,007.45 and 1,645.25 is: 2,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.17 : 4,007.45 = 1,645.25 : x
  2. Step 2: Convert to fraction form
    2,904.17/4,007.45 = 1,645.25/x
  3. Step 3: Cross multiply
    2,904.17x = 4,007.45 × 1,645.25
  4. Step 4: Simplify right side
    2,904.17x = 6,593,228.85
  5. Step 5: Solve for x
    x = 6,593,228.85/2,904.17
  6. Step 6: Final answer
    x = 2,270.27

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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.