Home / 2,371.66-3,555.86-1,274.92

Finding the Fourth Proportional to 2,371.66, 3,555.86 and 1,274.92

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Solution

The fourth proportional to 2,371.66, 3,555.86 and 1,274.92 is: 1,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.66 : 3,555.86 = 1,274.92 : x
  2. Step 2: Convert to fraction form
    2,371.66/3,555.86 = 1,274.92/x
  3. Step 3: Cross multiply
    2,371.66x = 3,555.86 × 1,274.92
  4. Step 4: Simplify right side
    2,371.66x = 4,533,437.03
  5. Step 5: Solve for x
    x = 4,533,437.03/2,371.66
  6. Step 6: Final answer
    x = 1,911.50

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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.