Home / 3,419.02-4,712.72-2,671.68

Finding the Fourth Proportional to 3,419.02, 4,712.72 and 2,671.68

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Solution

The fourth proportional to 3,419.02, 4,712.72 and 2,671.68 is: 3,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.02 : 4,712.72 = 2,671.68 : x
  2. Step 2: Convert to fraction form
    3,419.02/4,712.72 = 2,671.68/x
  3. Step 3: Cross multiply
    3,419.02x = 4,712.72 × 2,671.68
  4. Step 4: Simplify right side
    3,419.02x = 12,590,879.77
  5. Step 5: Solve for x
    x = 12,590,879.77/3,419.02
  6. Step 6: Final answer
    x = 3,682.60

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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.