Home / 3,072.98-4,586.78-2,856.26

Finding the Fourth Proportional to 3,072.98, 4,586.78 and 2,856.26

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Solution

The fourth proportional to 3,072.98, 4,586.78 and 2,856.26 is: 4,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.98 : 4,586.78 = 2,856.26 : x
  2. Step 2: Convert to fraction form
    3,072.98/4,586.78 = 2,856.26/x
  3. Step 3: Cross multiply
    3,072.98x = 4,586.78 × 2,856.26
  4. Step 4: Simplify right side
    3,072.98x = 13,101,036.24
  5. Step 5: Solve for x
    x = 13,101,036.24/3,072.98
  6. Step 6: Final answer
    x = 4,263.30

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.