Home / 2,563.07-3,842.63-1,175.40

Finding the Fourth Proportional to 2,563.07, 3,842.63 and 1,175.40

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Solution

The fourth proportional to 2,563.07, 3,842.63 and 1,175.40 is: 1,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.07 : 3,842.63 = 1,175.40 : x
  2. Step 2: Convert to fraction form
    2,563.07/3,842.63 = 1,175.40/x
  3. Step 3: Cross multiply
    2,563.07x = 3,842.63 × 1,175.40
  4. Step 4: Simplify right side
    2,563.07x = 4,516,621.43
  5. Step 5: Solve for x
    x = 4,516,621.43/2,563.07
  6. Step 6: Final answer
    x = 1,762.20

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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.