Home / 2,901.30-4,003.66-1,574.99

Finding the Fourth Proportional to 2,901.30, 4,003.66 and 1,574.99

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Solution

The fourth proportional to 2,901.30, 4,003.66 and 1,574.99 is: 2,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.30 : 4,003.66 = 1,574.99 : x
  2. Step 2: Convert to fraction form
    2,901.30/4,003.66 = 1,574.99/x
  3. Step 3: Cross multiply
    2,901.30x = 4,003.66 × 1,574.99
  4. Step 4: Simplify right side
    2,901.30x = 6,305,716.59
  5. Step 5: Solve for x
    x = 6,305,716.59/2,901.30
  6. Step 6: Final answer
    x = 2,173.41

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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.