Home / 2,346.74-3,238.60-1,298.80

Finding the Fourth Proportional to 2,346.74, 3,238.60 and 1,298.80

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Solution

The fourth proportional to 2,346.74, 3,238.60 and 1,298.80 is: 1,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.74 : 3,238.60 = 1,298.80 : x
  2. Step 2: Convert to fraction form
    2,346.74/3,238.60 = 1,298.80/x
  3. Step 3: Cross multiply
    2,346.74x = 3,238.60 × 1,298.80
  4. Step 4: Simplify right side
    2,346.74x = 4,206,270.99
  5. Step 5: Solve for x
    x = 4,206,270.99/2,346.74
  6. Step 6: Final answer
    x = 1,792.39

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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.