Home / 2,907.32-4,011.12-1,648.24

Finding the Fourth Proportional to 2,907.32, 4,011.12 and 1,648.24

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Solution

The fourth proportional to 2,907.32, 4,011.12 and 1,648.24 is: 2,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.32 : 4,011.12 = 1,648.24 : x
  2. Step 2: Convert to fraction form
    2,907.32/4,011.12 = 1,648.24/x
  3. Step 3: Cross multiply
    2,907.32x = 4,011.12 × 1,648.24
  4. Step 4: Simplify right side
    2,907.32x = 6,611,288.43
  5. Step 5: Solve for x
    x = 6,611,288.43/2,907.32
  6. Step 6: Final answer
    x = 2,274.01

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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.