Home / 2,784.24-3,847.32-1,854

Finding the Fourth Proportional to 2,784.24, 3,847.32 and 1,854

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Solution

The fourth proportional to 2,784.24, 3,847.32 and 1,854 is: 2,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.24 : 3,847.32 = 1,854 : x
  2. Step 2: Convert to fraction form
    2,784.24/3,847.32 = 1,854/x
  3. Step 3: Cross multiply
    2,784.24x = 3,847.32 × 1,854
  4. Step 4: Simplify right side
    2,784.24x = 7,132,931.28
  5. Step 5: Solve for x
    x = 7,132,931.28/2,784.24
  6. Step 6: Final answer
    x = 2,561.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.