Home / 3,258.02-4,887.15-3,215.30

Finding the Fourth Proportional to 3,258.02, 4,887.15 and 3,215.30

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Solution

The fourth proportional to 3,258.02, 4,887.15 and 3,215.30 is: 4,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.02 : 4,887.15 = 3,215.30 : x
  2. Step 2: Convert to fraction form
    3,258.02/4,887.15 = 3,215.30/x
  3. Step 3: Cross multiply
    3,258.02x = 4,887.15 × 3,215.30
  4. Step 4: Simplify right side
    3,258.02x = 15,713,653.40
  5. Step 5: Solve for x
    x = 15,713,653.40/3,258.02
  6. Step 6: Final answer
    x = 4,823.07

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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.