Home / 3,439.54-5,159.85-1,130.50

Finding the Fourth Proportional to 3,439.54, 5,159.85 and 1,130.50

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Solution

The fourth proportional to 3,439.54, 5,159.85 and 1,130.50 is: 1,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.54 : 5,159.85 = 1,130.50 : x
  2. Step 2: Convert to fraction form
    3,439.54/5,159.85 = 1,130.50/x
  3. Step 3: Cross multiply
    3,439.54x = 5,159.85 × 1,130.50
  4. Step 4: Simplify right side
    3,439.54x = 5,833,210.43
  5. Step 5: Solve for x
    x = 5,833,210.43/3,439.54
  6. Step 6: Final answer
    x = 1,695.93

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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.