Home / 2,058.68-2,840.98-1,127.18

Finding the Fourth Proportional to 2,058.68, 2,840.98 and 1,127.18

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Solution

The fourth proportional to 2,058.68, 2,840.98 and 1,127.18 is: 1,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.68 : 2,840.98 = 1,127.18 : x
  2. Step 2: Convert to fraction form
    2,058.68/2,840.98 = 1,127.18/x
  3. Step 3: Cross multiply
    2,058.68x = 2,840.98 × 1,127.18
  4. Step 4: Simplify right side
    2,058.68x = 3,202,295.84
  5. Step 5: Solve for x
    x = 3,202,295.84/2,058.68
  6. Step 6: Final answer
    x = 1,555.51

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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.