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Finding the Fourth Proportional to 2,052.12, 3,075.62 and 880.74

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Solution

The fourth proportional to 2,052.12, 3,075.62 and 880.74 is: 1,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.12 : 3,075.62 = 880.74 : x
  2. Step 2: Convert to fraction form
    2,052.12/3,075.62 = 880.74/x
  3. Step 3: Cross multiply
    2,052.12x = 3,075.62 × 880.74
  4. Step 4: Simplify right side
    2,052.12x = 2,708,821.56
  5. Step 5: Solve for x
    x = 2,708,821.56/2,052.12
  6. Step 6: Final answer
    x = 1,320.01

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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.