Home / 3,539.02-4,883.88-1,967.20

Finding the Fourth Proportional to 3,539.02, 4,883.88 and 1,967.20

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Solution

The fourth proportional to 3,539.02, 4,883.88 and 1,967.20 is: 2,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.02 : 4,883.88 = 1,967.20 : x
  2. Step 2: Convert to fraction form
    3,539.02/4,883.88 = 1,967.20/x
  3. Step 3: Cross multiply
    3,539.02x = 4,883.88 × 1,967.20
  4. Step 4: Simplify right side
    3,539.02x = 9,607,568.74
  5. Step 5: Solve for x
    x = 9,607,568.74/3,539.02
  6. Step 6: Final answer
    x = 2,714.75

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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.