Home / 3,258.47-4,495.02-2,078.30

Finding the Fourth Proportional to 3,258.47, 4,495.02 and 2,078.30

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Solution

The fourth proportional to 3,258.47, 4,495.02 and 2,078.30 is: 2,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.47 : 4,495.02 = 2,078.30 : x
  2. Step 2: Convert to fraction form
    3,258.47/4,495.02 = 2,078.30/x
  3. Step 3: Cross multiply
    3,258.47x = 4,495.02 × 2,078.30
  4. Step 4: Simplify right side
    3,258.47x = 9,342,000.07
  5. Step 5: Solve for x
    x = 9,342,000.07/3,258.47
  6. Step 6: Final answer
    x = 2,866.99

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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.