Home / 2,907.82-4,359.84-1,521.64

Finding the Fourth Proportional to 2,907.82, 4,359.84 and 1,521.64

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Solution

The fourth proportional to 2,907.82, 4,359.84 and 1,521.64 is: 2,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.82 : 4,359.84 = 1,521.64 : x
  2. Step 2: Convert to fraction form
    2,907.82/4,359.84 = 1,521.64/x
  3. Step 3: Cross multiply
    2,907.82x = 4,359.84 × 1,521.64
  4. Step 4: Simplify right side
    2,907.82x = 6,634,106.94
  5. Step 5: Solve for x
    x = 6,634,106.94/2,907.82
  6. Step 6: Final answer
    x = 2,281.47

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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.