Home / 2,895.63-4,340.55-1,139.54

Finding the Fourth Proportional to 2,895.63, 4,340.55 and 1,139.54

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Solution

The fourth proportional to 2,895.63, 4,340.55 and 1,139.54 is: 1,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.63 : 4,340.55 = 1,139.54 : x
  2. Step 2: Convert to fraction form
    2,895.63/4,340.55 = 1,139.54/x
  3. Step 3: Cross multiply
    2,895.63x = 4,340.55 × 1,139.54
  4. Step 4: Simplify right side
    2,895.63x = 4,946,208.64
  5. Step 5: Solve for x
    x = 4,946,208.64/2,895.63
  6. Step 6: Final answer
    x = 1,708.16

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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.