Home / 2,934.04-4,047.74-1,872.12

Finding the Fourth Proportional to 2,934.04, 4,047.74 and 1,872.12

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Solution

The fourth proportional to 2,934.04, 4,047.74 and 1,872.12 is: 2,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.04 : 4,047.74 = 1,872.12 : x
  2. Step 2: Convert to fraction form
    2,934.04/4,047.74 = 1,872.12/x
  3. Step 3: Cross multiply
    2,934.04x = 4,047.74 × 1,872.12
  4. Step 4: Simplify right side
    2,934.04x = 7,577,855.01
  5. Step 5: Solve for x
    x = 7,577,855.01/2,934.04
  6. Step 6: Final answer
    x = 2,582.74

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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.