Home / 2,970.32-4,099.23-1,644.17

Finding the Fourth Proportional to 2,970.32, 4,099.23 and 1,644.17

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Solution

The fourth proportional to 2,970.32, 4,099.23 and 1,644.17 is: 2,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.32 : 4,099.23 = 1,644.17 : x
  2. Step 2: Convert to fraction form
    2,970.32/4,099.23 = 1,644.17/x
  3. Step 3: Cross multiply
    2,970.32x = 4,099.23 × 1,644.17
  4. Step 4: Simplify right side
    2,970.32x = 6,739,810.49
  5. Step 5: Solve for x
    x = 6,739,810.49/2,970.32
  6. Step 6: Final answer
    x = 2,269.06

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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.