Home / 3,346.86-4,618.70-1,854.80

Finding the Fourth Proportional to 3,346.86, 4,618.70 and 1,854.80

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Solution

The fourth proportional to 3,346.86, 4,618.70 and 1,854.80 is: 2,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.86 : 4,618.70 = 1,854.80 : x
  2. Step 2: Convert to fraction form
    3,346.86/4,618.70 = 1,854.80/x
  3. Step 3: Cross multiply
    3,346.86x = 4,618.70 × 1,854.80
  4. Step 4: Simplify right side
    3,346.86x = 8,566,773.99
  5. Step 5: Solve for x
    x = 8,566,773.99/3,346.86
  6. Step 6: Final answer
    x = 2,559.65

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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.