Home / 2,843.04-4,263.28-1,111.20

Finding the Fourth Proportional to 2,843.04, 4,263.28 and 1,111.20

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Solution

The fourth proportional to 2,843.04, 4,263.28 and 1,111.20 is: 1,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.04 : 4,263.28 = 1,111.20 : x
  2. Step 2: Convert to fraction form
    2,843.04/4,263.28 = 1,111.20/x
  3. Step 3: Cross multiply
    2,843.04x = 4,263.28 × 1,111.20
  4. Step 4: Simplify right side
    2,843.04x = 4,737,356.74
  5. Step 5: Solve for x
    x = 4,737,356.74/2,843.04
  6. Step 6: Final answer
    x = 1,666.30

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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.