Home / 2,346.20-3,237.68-1,298.20

Finding the Fourth Proportional to 2,346.20, 3,237.68 and 1,298.20

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Solution

The fourth proportional to 2,346.20, 3,237.68 and 1,298.20 is: 1,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.20 : 3,237.68 = 1,298.20 : x
  2. Step 2: Convert to fraction form
    2,346.20/3,237.68 = 1,298.20/x
  3. Step 3: Cross multiply
    2,346.20x = 3,237.68 × 1,298.20
  4. Step 4: Simplify right side
    2,346.20x = 4,203,133.50
  5. Step 5: Solve for x
    x = 4,203,133.50/2,346.20
  6. Step 6: Final answer
    x = 1,791.46

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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.