Home / 3,346.80-4,618.58-1,834.40

Finding the Fourth Proportional to 3,346.80, 4,618.58 and 1,834.40

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Solution

The fourth proportional to 3,346.80, 4,618.58 and 1,834.40 is: 2,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.80 : 4,618.58 = 1,834.40 : x
  2. Step 2: Convert to fraction form
    3,346.80/4,618.58 = 1,834.40/x
  3. Step 3: Cross multiply
    3,346.80x = 4,618.58 × 1,834.40
  4. Step 4: Simplify right side
    3,346.80x = 8,472,330.62
  5. Step 5: Solve for x
    x = 8,472,330.62/3,346.80
  6. Step 6: Final answer
    x = 2,531.47

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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.