Home / 2,276.07-3,412.68-715.62

Finding the Fourth Proportional to 2,276.07, 3,412.68 and 715.62

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Solution

The fourth proportional to 2,276.07, 3,412.68 and 715.62 is: 1,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.07 : 3,412.68 = 715.62 : x
  2. Step 2: Convert to fraction form
    2,276.07/3,412.68 = 715.62/x
  3. Step 3: Cross multiply
    2,276.07x = 3,412.68 × 715.62
  4. Step 4: Simplify right side
    2,276.07x = 2,442,182.06
  5. Step 5: Solve for x
    x = 2,442,182.06/2,276.07
  6. Step 6: Final answer
    x = 1,072.98

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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.