Home / 4,085.28-5,638.95-2,513.88

Finding the Fourth Proportional to 4,085.28, 5,638.95 and 2,513.88

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Solution

The fourth proportional to 4,085.28, 5,638.95 and 2,513.88 is: 3,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.28 : 5,638.95 = 2,513.88 : x
  2. Step 2: Convert to fraction form
    4,085.28/5,638.95 = 2,513.88/x
  3. Step 3: Cross multiply
    4,085.28x = 5,638.95 × 2,513.88
  4. Step 4: Simplify right side
    4,085.28x = 14,175,643.63
  5. Step 5: Solve for x
    x = 14,175,643.63/4,085.28
  6. Step 6: Final answer
    x = 3,469.93

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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.