Home / 3,730.65-5,588.68-2,860.71

Finding the Fourth Proportional to 3,730.65, 5,588.68 and 2,860.71

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Solution

The fourth proportional to 3,730.65, 5,588.68 and 2,860.71 is: 4,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.65 : 5,588.68 = 2,860.71 : x
  2. Step 2: Convert to fraction form
    3,730.65/5,588.68 = 2,860.71/x
  3. Step 3: Cross multiply
    3,730.65x = 5,588.68 × 2,860.71
  4. Step 4: Simplify right side
    3,730.65x = 15,987,592.76
  5. Step 5: Solve for x
    x = 15,987,592.76/3,730.65
  6. Step 6: Final answer
    x = 4,285.47

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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.