Home / 3,643.08-5,464.80-1,045.95

Finding the Fourth Proportional to 3,643.08, 5,464.80 and 1,045.95

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Solution

The fourth proportional to 3,643.08, 5,464.80 and 1,045.95 is: 1,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.08 : 5,464.80 = 1,045.95 : x
  2. Step 2: Convert to fraction form
    3,643.08/5,464.80 = 1,045.95/x
  3. Step 3: Cross multiply
    3,643.08x = 5,464.80 × 1,045.95
  4. Step 4: Simplify right side
    3,643.08x = 5,715,907.56
  5. Step 5: Solve for x
    x = 5,715,907.56/3,643.08
  6. Step 6: Final answer
    x = 1,568.98

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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.