Home / 3,460.32-4,779.20-3,160.82

Finding the Fourth Proportional to 3,460.32, 4,779.20 and 3,160.82

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Solution

The fourth proportional to 3,460.32, 4,779.20 and 3,160.82 is: 4,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.32 : 4,779.20 = 3,160.82 : x
  2. Step 2: Convert to fraction form
    3,460.32/4,779.20 = 3,160.82/x
  3. Step 3: Cross multiply
    3,460.32x = 4,779.20 × 3,160.82
  4. Step 4: Simplify right side
    3,460.32x = 15,106,210.79
  5. Step 5: Solve for x
    x = 15,106,210.79/3,460.32
  6. Step 6: Final answer
    x = 4,365.55

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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.