Home / 2,541.45-3,804.68-1,878.93

Finding the Fourth Proportional to 2,541.45, 3,804.68 and 1,878.93

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Solution

The fourth proportional to 2,541.45, 3,804.68 and 1,878.93 is: 2,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.45 : 3,804.68 = 1,878.93 : x
  2. Step 2: Convert to fraction form
    2,541.45/3,804.68 = 1,878.93/x
  3. Step 3: Cross multiply
    2,541.45x = 3,804.68 × 1,878.93
  4. Step 4: Simplify right side
    2,541.45x = 7,148,727.39
  5. Step 5: Solve for x
    x = 7,148,727.39/2,541.45
  6. Step 6: Final answer
    x = 2,812.85

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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.