Home / 3,152.04-4,359.24-2,758.40

Finding the Fourth Proportional to 3,152.04, 4,359.24 and 2,758.40

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Solution

The fourth proportional to 3,152.04, 4,359.24 and 2,758.40 is: 3,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.04 : 4,359.24 = 2,758.40 : x
  2. Step 2: Convert to fraction form
    3,152.04/4,359.24 = 2,758.40/x
  3. Step 3: Cross multiply
    3,152.04x = 4,359.24 × 2,758.40
  4. Step 4: Simplify right side
    3,152.04x = 12,024,527.62
  5. Step 5: Solve for x
    x = 12,024,527.62/3,152.04
  6. Step 6: Final answer
    x = 3,814.84

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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.