Home / 3,123.93-4,310.91-2,075.25

Finding the Fourth Proportional to 3,123.93, 4,310.91 and 2,075.25

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Solution

The fourth proportional to 3,123.93, 4,310.91 and 2,075.25 is: 2,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.93 : 4,310.91 = 2,075.25 : x
  2. Step 2: Convert to fraction form
    3,123.93/4,310.91 = 2,075.25/x
  3. Step 3: Cross multiply
    3,123.93x = 4,310.91 × 2,075.25
  4. Step 4: Simplify right side
    3,123.93x = 8,946,215.98
  5. Step 5: Solve for x
    x = 8,946,215.98/3,123.93
  6. Step 6: Final answer
    x = 2,863.77

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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.