Home / 3,346.78-4,618.17-1,854.32

Finding the Fourth Proportional to 3,346.78, 4,618.17 and 1,854.32

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Solution

The fourth proportional to 3,346.78, 4,618.17 and 1,854.32 is: 2,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.78 : 4,618.17 = 1,854.32 : x
  2. Step 2: Convert to fraction form
    3,346.78/4,618.17 = 1,854.32/x
  3. Step 3: Cross multiply
    3,346.78x = 4,618.17 × 1,854.32
  4. Step 4: Simplify right side
    3,346.78x = 8,563,541.90
  5. Step 5: Solve for x
    x = 8,563,541.90/3,346.78
  6. Step 6: Final answer
    x = 2,558.74

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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.