Home / 2,451.42-3,678.75-1,153.26

Finding the Fourth Proportional to 2,451.42, 3,678.75 and 1,153.26

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Solution

The fourth proportional to 2,451.42, 3,678.75 and 1,153.26 is: 1,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.42 : 3,678.75 = 1,153.26 : x
  2. Step 2: Convert to fraction form
    2,451.42/3,678.75 = 1,153.26/x
  3. Step 3: Cross multiply
    2,451.42x = 3,678.75 × 1,153.26
  4. Step 4: Simplify right side
    2,451.42x = 4,242,555.23
  5. Step 5: Solve for x
    x = 4,242,555.23/2,451.42
  6. Step 6: Final answer
    x = 1,730.65

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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.