Home / 3,159.48-4,359.83-1,742.94

Finding the Fourth Proportional to 3,159.48, 4,359.83 and 1,742.94

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Solution

The fourth proportional to 3,159.48, 4,359.83 and 1,742.94 is: 2,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.48 : 4,359.83 = 1,742.94 : x
  2. Step 2: Convert to fraction form
    3,159.48/4,359.83 = 1,742.94/x
  3. Step 3: Cross multiply
    3,159.48x = 4,359.83 × 1,742.94
  4. Step 4: Simplify right side
    3,159.48x = 7,598,913.39
  5. Step 5: Solve for x
    x = 7,598,913.39/3,159.48
  6. Step 6: Final answer
    x = 2,405.12

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1.5x scale

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.