Home / 3,124.51-4,305.89-2,238.77

Finding the Fourth Proportional to 3,124.51, 4,305.89 and 2,238.77

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Solution

The fourth proportional to 3,124.51, 4,305.89 and 2,238.77 is: 3,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.51 : 4,305.89 = 2,238.77 : x
  2. Step 2: Convert to fraction form
    3,124.51/4,305.89 = 2,238.77/x
  3. Step 3: Cross multiply
    3,124.51x = 4,305.89 × 2,238.77
  4. Step 4: Simplify right side
    3,124.51x = 9,639,897.36
  5. Step 5: Solve for x
    x = 9,639,897.36/3,124.51
  6. Step 6: Final answer
    x = 3,085.25

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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.