Home / 2,643.20-3,644.88-1,847.44

Finding the Fourth Proportional to 2,643.20, 3,644.88 and 1,847.44

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Solution

The fourth proportional to 2,643.20, 3,644.88 and 1,847.44 is: 2,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.20 : 3,644.88 = 1,847.44 : x
  2. Step 2: Convert to fraction form
    2,643.20/3,644.88 = 1,847.44/x
  3. Step 3: Cross multiply
    2,643.20x = 3,644.88 × 1,847.44
  4. Step 4: Simplify right side
    2,643.20x = 6,733,697.11
  5. Step 5: Solve for x
    x = 6,733,697.11/2,643.20
  6. Step 6: Final answer
    x = 2,547.55

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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.