Home / 4,085.28-5,638.95-3,038.76

Finding the Fourth Proportional to 4,085.28, 5,638.95 and 3,038.76

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Solution

The fourth proportional to 4,085.28, 5,638.95 and 3,038.76 is: 4,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.28 : 5,638.95 = 3,038.76 : x
  2. Step 2: Convert to fraction form
    4,085.28/5,638.95 = 3,038.76/x
  3. Step 3: Cross multiply
    4,085.28x = 5,638.95 × 3,038.76
  4. Step 4: Simplify right side
    4,085.28x = 17,135,415.70
  5. Step 5: Solve for x
    x = 17,135,415.70/4,085.28
  6. Step 6: Final answer
    x = 4,194.43

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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.