Home / 3,058.77-4,221.09-1,661.52

Finding the Fourth Proportional to 3,058.77, 4,221.09 and 1,661.52

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Solution

The fourth proportional to 3,058.77, 4,221.09 and 1,661.52 is: 2,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.77 : 4,221.09 = 1,661.52 : x
  2. Step 2: Convert to fraction form
    3,058.77/4,221.09 = 1,661.52/x
  3. Step 3: Cross multiply
    3,058.77x = 4,221.09 × 1,661.52
  4. Step 4: Simplify right side
    3,058.77x = 7,013,425.46
  5. Step 5: Solve for x
    x = 7,013,425.46/3,058.77
  6. Step 6: Final answer
    x = 2,292.89

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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.