Home / 2,279.04-3,420.58-1,184.16

Finding the Fourth Proportional to 2,279.04, 3,420.58 and 1,184.16

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Solution

The fourth proportional to 2,279.04, 3,420.58 and 1,184.16 is: 1,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.04 : 3,420.58 = 1,184.16 : x
  2. Step 2: Convert to fraction form
    2,279.04/3,420.58 = 1,184.16/x
  3. Step 3: Cross multiply
    2,279.04x = 3,420.58 × 1,184.16
  4. Step 4: Simplify right side
    2,279.04x = 4,050,514.01
  5. Step 5: Solve for x
    x = 4,050,514.01/2,279.04
  6. Step 6: Final answer
    x = 1,777.29

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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.