Home / 2,058.55-2,839.99-1,271.23

Finding the Fourth Proportional to 2,058.55, 2,839.99 and 1,271.23

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Solution

The fourth proportional to 2,058.55, 2,839.99 and 1,271.23 is: 1,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.55 : 2,839.99 = 1,271.23 : x
  2. Step 2: Convert to fraction form
    2,058.55/2,839.99 = 1,271.23/x
  3. Step 3: Cross multiply
    2,058.55x = 2,839.99 × 1,271.23
  4. Step 4: Simplify right side
    2,058.55x = 3,610,280.49
  5. Step 5: Solve for x
    x = 3,610,280.49/2,058.55
  6. Step 6: Final answer
    x = 1,753.80

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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.