Home / 3,071.02-4,607.30-1,221.52

Finding the Fourth Proportional to 3,071.02, 4,607.30 and 1,221.52

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Solution

The fourth proportional to 3,071.02, 4,607.30 and 1,221.52 is: 1,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.02 : 4,607.30 = 1,221.52 : x
  2. Step 2: Convert to fraction form
    3,071.02/4,607.30 = 1,221.52/x
  3. Step 3: Cross multiply
    3,071.02x = 4,607.30 × 1,221.52
  4. Step 4: Simplify right side
    3,071.02x = 5,627,909.10
  5. Step 5: Solve for x
    x = 5,627,909.10/3,071.02
  6. Step 6: Final answer
    x = 1,832.59

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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.