Home / 3,215.01-4,436.46-1,870.41

Finding the Fourth Proportional to 3,215.01, 4,436.46 and 1,870.41

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Solution

The fourth proportional to 3,215.01, 4,436.46 and 1,870.41 is: 2,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.01 : 4,436.46 = 1,870.41 : x
  2. Step 2: Convert to fraction form
    3,215.01/4,436.46 = 1,870.41/x
  3. Step 3: Cross multiply
    3,215.01x = 4,436.46 × 1,870.41
  4. Step 4: Simplify right side
    3,215.01x = 8,297,999.15
  5. Step 5: Solve for x
    x = 8,297,999.15/3,215.01
  6. Step 6: Final answer
    x = 2,581.02

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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.