Home / 3,437.10-4,740.80-2,161.35

Finding the Fourth Proportional to 3,437.10, 4,740.80 and 2,161.35

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Solution

The fourth proportional to 3,437.10, 4,740.80 and 2,161.35 is: 2,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.10 : 4,740.80 = 2,161.35 : x
  2. Step 2: Convert to fraction form
    3,437.10/4,740.80 = 2,161.35/x
  3. Step 3: Cross multiply
    3,437.10x = 4,740.80 × 2,161.35
  4. Step 4: Simplify right side
    3,437.10x = 10,246,517.27
  5. Step 5: Solve for x
    x = 10,246,517.27/3,437.10
  6. Step 6: Final answer
    x = 2,981.15

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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.