Home / 3,075.64-4,591.09-2,686.84

Finding the Fourth Proportional to 3,075.64, 4,591.09 and 2,686.84

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Solution

The fourth proportional to 3,075.64, 4,591.09 and 2,686.84 is: 4,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.64 : 4,591.09 = 2,686.84 : x
  2. Step 2: Convert to fraction form
    3,075.64/4,591.09 = 2,686.84/x
  3. Step 3: Cross multiply
    3,075.64x = 4,591.09 × 2,686.84
  4. Step 4: Simplify right side
    3,075.64x = 12,335,524.26
  5. Step 5: Solve for x
    x = 12,335,524.26/3,075.64
  6. Step 6: Final answer
    x = 4,010.72

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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.