Home / 2,900.28-4,002.37-1,641.33

Finding the Fourth Proportional to 2,900.28, 4,002.37 and 1,641.33

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Solution

The fourth proportional to 2,900.28, 4,002.37 and 1,641.33 is: 2,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.28 : 4,002.37 = 1,641.33 : x
  2. Step 2: Convert to fraction form
    2,900.28/4,002.37 = 1,641.33/x
  3. Step 3: Cross multiply
    2,900.28x = 4,002.37 × 1,641.33
  4. Step 4: Simplify right side
    2,900.28x = 6,569,209.95
  5. Step 5: Solve for x
    x = 6,569,209.95/2,900.28
  6. Step 6: Final answer
    x = 2,265.03

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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.