Home / 3,254.12-4,490.69-2,075.87

Finding the Fourth Proportional to 3,254.12, 4,490.69 and 2,075.87

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Solution

The fourth proportional to 3,254.12, 4,490.69 and 2,075.87 is: 2,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.12 : 4,490.69 = 2,075.87 : x
  2. Step 2: Convert to fraction form
    3,254.12/4,490.69 = 2,075.87/x
  3. Step 3: Cross multiply
    3,254.12x = 4,490.69 × 2,075.87
  4. Step 4: Simplify right side
    3,254.12x = 9,322,078.27
  5. Step 5: Solve for x
    x = 9,322,078.27/3,254.12
  6. Step 6: Final answer
    x = 2,864.70

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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.