Home / 2,058.48-2,839.28-1,272.06

Finding the Fourth Proportional to 2,058.48, 2,839.28 and 1,272.06

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Solution

The fourth proportional to 2,058.48, 2,839.28 and 1,272.06 is: 1,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.48 : 2,839.28 = 1,272.06 : x
  2. Step 2: Convert to fraction form
    2,058.48/2,839.28 = 1,272.06/x
  3. Step 3: Cross multiply
    2,058.48x = 2,839.28 × 1,272.06
  4. Step 4: Simplify right side
    2,058.48x = 3,611,728.16
  5. Step 5: Solve for x
    x = 3,611,728.16/2,058.48
  6. Step 6: Final answer
    x = 1,754.56

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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.