Home / 4,085.60-5,638.11-2,317.46

Finding the Fourth Proportional to 4,085.60, 5,638.11 and 2,317.46

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Solution

The fourth proportional to 4,085.60, 5,638.11 and 2,317.46 is: 3,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.60 : 5,638.11 = 2,317.46 : x
  2. Step 2: Convert to fraction form
    4,085.60/5,638.11 = 2,317.46/x
  3. Step 3: Cross multiply
    4,085.60x = 5,638.11 × 2,317.46
  4. Step 4: Simplify right side
    4,085.60x = 13,066,094.40
  5. Step 5: Solve for x
    x = 13,066,094.40/4,085.60
  6. Step 6: Final answer
    x = 3,198.08

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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.