Home / 3,643.74-5,468.40-2,820.06

Finding the Fourth Proportional to 3,643.74, 5,468.40 and 2,820.06

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Solution

The fourth proportional to 3,643.74, 5,468.40 and 2,820.06 is: 4,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.74 : 5,468.40 = 2,820.06 : x
  2. Step 2: Convert to fraction form
    3,643.74/5,468.40 = 2,820.06/x
  3. Step 3: Cross multiply
    3,643.74x = 5,468.40 × 2,820.06
  4. Step 4: Simplify right side
    3,643.74x = 15,421,216.10
  5. Step 5: Solve for x
    x = 15,421,216.10/3,643.74
  6. Step 6: Final answer
    x = 4,232.25

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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.