Home / 2,285.71-3,154.27-1,237.77

Finding the Fourth Proportional to 2,285.71, 3,154.27 and 1,237.77

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Solution

The fourth proportional to 2,285.71, 3,154.27 and 1,237.77 is: 1,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.71 : 3,154.27 = 1,237.77 : x
  2. Step 2: Convert to fraction form
    2,285.71/3,154.27 = 1,237.77/x
  3. Step 3: Cross multiply
    2,285.71x = 3,154.27 × 1,237.77
  4. Step 4: Simplify right side
    2,285.71x = 3,904,254.59
  5. Step 5: Solve for x
    x = 3,904,254.59/2,285.71
  6. Step 6: Final answer
    x = 1,708.12

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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.