Home / 2,341.77-3,231.21-1,347.09

Finding the Fourth Proportional to 2,341.77, 3,231.21 and 1,347.09

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Solution

The fourth proportional to 2,341.77, 3,231.21 and 1,347.09 is: 1,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.77 : 3,231.21 = 1,347.09 : x
  2. Step 2: Convert to fraction form
    2,341.77/3,231.21 = 1,347.09/x
  3. Step 3: Cross multiply
    2,341.77x = 3,231.21 × 1,347.09
  4. Step 4: Simplify right side
    2,341.77x = 4,352,730.68
  5. Step 5: Solve for x
    x = 4,352,730.68/2,341.77
  6. Step 6: Final answer
    x = 1,858.74

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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.