Home / 2,385.14-3,578.74-1,153.48

Finding the Fourth Proportional to 2,385.14, 3,578.74 and 1,153.48

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Solution

The fourth proportional to 2,385.14, 3,578.74 and 1,153.48 is: 1,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.14 : 3,578.74 = 1,153.48 : x
  2. Step 2: Convert to fraction form
    2,385.14/3,578.74 = 1,153.48/x
  3. Step 3: Cross multiply
    2,385.14x = 3,578.74 × 1,153.48
  4. Step 4: Simplify right side
    2,385.14x = 4,128,005.02
  5. Step 5: Solve for x
    x = 4,128,005.02/2,385.14
  6. Step 6: Final answer
    x = 1,730.72

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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.