Home / 3,058.16-4,220.31-1,660.91

Finding the Fourth Proportional to 3,058.16, 4,220.31 and 1,660.91

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Solution

The fourth proportional to 3,058.16, 4,220.31 and 1,660.91 is: 2,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.16 : 4,220.31 = 1,660.91 : x
  2. Step 2: Convert to fraction form
    3,058.16/4,220.31 = 1,660.91/x
  3. Step 3: Cross multiply
    3,058.16x = 4,220.31 × 1,660.91
  4. Step 4: Simplify right side
    3,058.16x = 7,009,555.08
  5. Step 5: Solve for x
    x = 7,009,555.08/3,058.16
  6. Step 6: Final answer
    x = 2,292.08

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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.