Home / 4,078.02-5,627.60-2,484.30

Finding the Fourth Proportional to 4,078.02, 5,627.60 and 2,484.30

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Solution

The fourth proportional to 4,078.02, 5,627.60 and 2,484.30 is: 3,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.02 : 5,627.60 = 2,484.30 : x
  2. Step 2: Convert to fraction form
    4,078.02/5,627.60 = 2,484.30/x
  3. Step 3: Cross multiply
    4,078.02x = 5,627.60 × 2,484.30
  4. Step 4: Simplify right side
    4,078.02x = 13,980,646.68
  5. Step 5: Solve for x
    x = 13,980,646.68/4,078.02
  6. Step 6: Final answer
    x = 3,428.29

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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.