Home / 4,085.39-5,638.76-2,492.58

Finding the Fourth Proportional to 4,085.39, 5,638.76 and 2,492.58

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Solution

The fourth proportional to 4,085.39, 5,638.76 and 2,492.58 is: 3,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.39 : 5,638.76 = 2,492.58 : x
  2. Step 2: Convert to fraction form
    4,085.39/5,638.76 = 2,492.58/x
  3. Step 3: Cross multiply
    4,085.39x = 5,638.76 × 2,492.58
  4. Step 4: Simplify right side
    4,085.39x = 14,055,047.94
  5. Step 5: Solve for x
    x = 14,055,047.94/4,085.39
  6. Step 6: Final answer
    x = 3,440.32

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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.