Home / 2,539.79-3,807.63-1,077.92

Finding the Fourth Proportional to 2,539.79, 3,807.63 and 1,077.92

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Solution

The fourth proportional to 2,539.79, 3,807.63 and 1,077.92 is: 1,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.79 : 3,807.63 = 1,077.92 : x
  2. Step 2: Convert to fraction form
    2,539.79/3,807.63 = 1,077.92/x
  3. Step 3: Cross multiply
    2,539.79x = 3,807.63 × 1,077.92
  4. Step 4: Simplify right side
    2,539.79x = 4,104,301.49
  5. Step 5: Solve for x
    x = 4,104,301.49/2,539.79
  6. Step 6: Final answer
    x = 1,616.00

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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.