Home / 2,387.46-3,580.04-1,866.14

Finding the Fourth Proportional to 2,387.46, 3,580.04 and 1,866.14

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Solution

The fourth proportional to 2,387.46, 3,580.04 and 1,866.14 is: 2,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.46 : 3,580.04 = 1,866.14 : x
  2. Step 2: Convert to fraction form
    2,387.46/3,580.04 = 1,866.14/x
  3. Step 3: Cross multiply
    2,387.46x = 3,580.04 × 1,866.14
  4. Step 4: Simplify right side
    2,387.46x = 6,680,855.85
  5. Step 5: Solve for x
    x = 6,680,855.85/2,387.46
  6. Step 6: Final answer
    x = 2,798.31

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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.