Home / 4,074.04-5,623.18-2,678.68

Finding the Fourth Proportional to 4,074.04, 5,623.18 and 2,678.68

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Solution

The fourth proportional to 4,074.04, 5,623.18 and 2,678.68 is: 3,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.04 : 5,623.18 = 2,678.68 : x
  2. Step 2: Convert to fraction form
    4,074.04/5,623.18 = 2,678.68/x
  3. Step 3: Cross multiply
    4,074.04x = 5,623.18 × 2,678.68
  4. Step 4: Simplify right side
    4,074.04x = 15,062,699.80
  5. Step 5: Solve for x
    x = 15,062,699.80/4,074.04
  6. Step 6: Final answer
    x = 3,697.24

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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.