Home / 2,075.72-3,113.60-1,344.92

Finding the Fourth Proportional to 2,075.72, 3,113.60 and 1,344.92

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Solution

The fourth proportional to 2,075.72, 3,113.60 and 1,344.92 is: 2,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.72 : 3,113.60 = 1,344.92 : x
  2. Step 2: Convert to fraction form
    2,075.72/3,113.60 = 1,344.92/x
  3. Step 3: Cross multiply
    2,075.72x = 3,113.60 × 1,344.92
  4. Step 4: Simplify right side
    2,075.72x = 4,187,520.62
  5. Step 5: Solve for x
    x = 4,187,520.62/2,075.72
  6. Step 6: Final answer
    x = 2,017.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.