Home / 3,612.54-4,985.79-2,621.10

Finding the Fourth Proportional to 3,612.54, 4,985.79 and 2,621.10

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Solution

The fourth proportional to 3,612.54, 4,985.79 and 2,621.10 is: 3,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.54 : 4,985.79 = 2,621.10 : x
  2. Step 2: Convert to fraction form
    3,612.54/4,985.79 = 2,621.10/x
  3. Step 3: Cross multiply
    3,612.54x = 4,985.79 × 2,621.10
  4. Step 4: Simplify right side
    3,612.54x = 13,068,254.17
  5. Step 5: Solve for x
    x = 13,068,254.17/3,612.54
  6. Step 6: Final answer
    x = 3,617.47

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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.