Home / 2,058.14-2,840.19-1,207.61

Finding the Fourth Proportional to 2,058.14, 2,840.19 and 1,207.61

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Solution

The fourth proportional to 2,058.14, 2,840.19 and 1,207.61 is: 1,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.14 : 2,840.19 = 1,207.61 : x
  2. Step 2: Convert to fraction form
    2,058.14/2,840.19 = 1,207.61/x
  3. Step 3: Cross multiply
    2,058.14x = 2,840.19 × 1,207.61
  4. Step 4: Simplify right side
    2,058.14x = 3,429,827.64
  5. Step 5: Solve for x
    x = 3,429,827.64/2,058.14
  6. Step 6: Final answer
    x = 1,666.47

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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.