Home / 3,592.80-5,389.77-1,127.07

Finding the Fourth Proportional to 3,592.80, 5,389.77 and 1,127.07

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Solution

The fourth proportional to 3,592.80, 5,389.77 and 1,127.07 is: 1,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.80 : 5,389.77 = 1,127.07 : x
  2. Step 2: Convert to fraction form
    3,592.80/5,389.77 = 1,127.07/x
  3. Step 3: Cross multiply
    3,592.80x = 5,389.77 × 1,127.07
  4. Step 4: Simplify right side
    3,592.80x = 6,074,648.07
  5. Step 5: Solve for x
    x = 6,074,648.07/3,592.80
  6. Step 6: Final answer
    x = 1,690.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.