Home / 2,341.98-3,231.87-1,347.18

Finding the Fourth Proportional to 2,341.98, 3,231.87 and 1,347.18

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Solution

The fourth proportional to 2,341.98, 3,231.87 and 1,347.18 is: 1,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.98 : 3,231.87 = 1,347.18 : x
  2. Step 2: Convert to fraction form
    2,341.98/3,231.87 = 1,347.18/x
  3. Step 3: Cross multiply
    2,341.98x = 3,231.87 × 1,347.18
  4. Step 4: Simplify right side
    2,341.98x = 4,353,910.63
  5. Step 5: Solve for x
    x = 4,353,910.63/2,341.98
  6. Step 6: Final answer
    x = 1,859.07

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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.