Home / 3,530.32-4,871.80-1,937.05

Finding the Fourth Proportional to 3,530.32, 4,871.80 and 1,937.05

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Solution

The fourth proportional to 3,530.32, 4,871.80 and 1,937.05 is: 2,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.32 : 4,871.80 = 1,937.05 : x
  2. Step 2: Convert to fraction form
    3,530.32/4,871.80 = 1,937.05/x
  3. Step 3: Cross multiply
    3,530.32x = 4,871.80 × 1,937.05
  4. Step 4: Simplify right side
    3,530.32x = 9,436,920.19
  5. Step 5: Solve for x
    x = 9,436,920.19/3,530.32
  6. Step 6: Final answer
    x = 2,673.11

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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.