Home / 3,085.60-4,628.40-1,354.72

Finding the Fourth Proportional to 3,085.60, 4,628.40 and 1,354.72

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Solution

The fourth proportional to 3,085.60, 4,628.40 and 1,354.72 is: 2,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.60 : 4,628.40 = 1,354.72 : x
  2. Step 2: Convert to fraction form
    3,085.60/4,628.40 = 1,354.72/x
  3. Step 3: Cross multiply
    3,085.60x = 4,628.40 × 1,354.72
  4. Step 4: Simplify right side
    3,085.60x = 6,270,186.05
  5. Step 5: Solve for x
    x = 6,270,186.05/3,085.60
  6. Step 6: Final answer
    x = 2,032.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.