Home / 3,566.40-4,921.64-2,075.32

Finding the Fourth Proportional to 3,566.40, 4,921.64 and 2,075.32

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Solution

The fourth proportional to 3,566.40, 4,921.64 and 2,075.32 is: 2,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.40 : 4,921.64 = 2,075.32 : x
  2. Step 2: Convert to fraction form
    3,566.40/4,921.64 = 2,075.32/x
  3. Step 3: Cross multiply
    3,566.40x = 4,921.64 × 2,075.32
  4. Step 4: Simplify right side
    3,566.40x = 10,213,977.92
  5. Step 5: Solve for x
    x = 10,213,977.92/3,566.40
  6. Step 6: Final answer
    x = 2,863.95

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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.