Home / 3,464.02-4,780.36-1,892.20

Finding the Fourth Proportional to 3,464.02, 4,780.36 and 1,892.20

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Solution

The fourth proportional to 3,464.02, 4,780.36 and 1,892.20 is: 2,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.02 : 4,780.36 = 1,892.20 : x
  2. Step 2: Convert to fraction form
    3,464.02/4,780.36 = 1,892.20/x
  3. Step 3: Cross multiply
    3,464.02x = 4,780.36 × 1,892.20
  4. Step 4: Simplify right side
    3,464.02x = 9,045,397.19
  5. Step 5: Solve for x
    x = 9,045,397.19/3,464.02
  6. Step 6: Final answer
    x = 2,611.24

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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.