Home / 2,385.07-3,576.27-1,214.35

Finding the Fourth Proportional to 2,385.07, 3,576.27 and 1,214.35

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Solution

The fourth proportional to 2,385.07, 3,576.27 and 1,214.35 is: 1,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.07 : 3,576.27 = 1,214.35 : x
  2. Step 2: Convert to fraction form
    2,385.07/3,576.27 = 1,214.35/x
  3. Step 3: Cross multiply
    2,385.07x = 3,576.27 × 1,214.35
  4. Step 4: Simplify right side
    2,385.07x = 4,342,843.47
  5. Step 5: Solve for x
    x = 4,342,843.47/2,385.07
  6. Step 6: Final answer
    x = 1,820.85

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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.