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Finding the Fourth Proportional to 2,795.04, 3,856.86 and 1,675.80

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Solution

The fourth proportional to 2,795.04, 3,856.86 and 1,675.80 is: 2,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.04 : 3,856.86 = 1,675.80 : x
  2. Step 2: Convert to fraction form
    2,795.04/3,856.86 = 1,675.80/x
  3. Step 3: Cross multiply
    2,795.04x = 3,856.86 × 1,675.80
  4. Step 4: Simplify right side
    2,795.04x = 6,463,325.99
  5. Step 5: Solve for x
    x = 6,463,325.99/2,795.04
  6. Step 6: Final answer
    x = 2,312.43

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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.