Home / 3,159.19-4,359.71-1,742.93

Finding the Fourth Proportional to 3,159.19, 4,359.71 and 1,742.93

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Solution

The fourth proportional to 3,159.19, 4,359.71 and 1,742.93 is: 2,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.19 : 4,359.71 = 1,742.93 : x
  2. Step 2: Convert to fraction form
    3,159.19/4,359.71 = 1,742.93/x
  3. Step 3: Cross multiply
    3,159.19x = 4,359.71 × 1,742.93
  4. Step 4: Simplify right side
    3,159.19x = 7,598,669.35
  5. Step 5: Solve for x
    x = 7,598,669.35/3,159.19
  6. Step 6: Final answer
    x = 2,405.26

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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.