Home / 2,970.42-4,099.31-1,626.11

Finding the Fourth Proportional to 2,970.42, 4,099.31 and 1,626.11

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Solution

The fourth proportional to 2,970.42, 4,099.31 and 1,626.11 is: 2,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.42 : 4,099.31 = 1,626.11 : x
  2. Step 2: Convert to fraction form
    2,970.42/4,099.31 = 1,626.11/x
  3. Step 3: Cross multiply
    2,970.42x = 4,099.31 × 1,626.11
  4. Step 4: Simplify right side
    2,970.42x = 6,665,921.83
  5. Step 5: Solve for x
    x = 6,665,921.83/2,970.42
  6. Step 6: Final answer
    x = 2,244.10

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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.