Home / 2,058.24-2,840.82-1,312.02

Finding the Fourth Proportional to 2,058.24, 2,840.82 and 1,312.02

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Solution

The fourth proportional to 2,058.24, 2,840.82 and 1,312.02 is: 1,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.24 : 2,840.82 = 1,312.02 : x
  2. Step 2: Convert to fraction form
    2,058.24/2,840.82 = 1,312.02/x
  3. Step 3: Cross multiply
    2,058.24x = 2,840.82 × 1,312.02
  4. Step 4: Simplify right side
    2,058.24x = 3,727,212.66
  5. Step 5: Solve for x
    x = 3,727,212.66/2,058.24
  6. Step 6: Final answer
    x = 1,810.87

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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.