Home / 2,970.24-4,098.84-1,643.94

Finding the Fourth Proportional to 2,970.24, 4,098.84 and 1,643.94

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Solution

The fourth proportional to 2,970.24, 4,098.84 and 1,643.94 is: 2,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.24 : 4,098.84 = 1,643.94 : x
  2. Step 2: Convert to fraction form
    2,970.24/4,098.84 = 1,643.94/x
  3. Step 3: Cross multiply
    2,970.24x = 4,098.84 × 1,643.94
  4. Step 4: Simplify right side
    2,970.24x = 6,738,247.03
  5. Step 5: Solve for x
    x = 6,738,247.03/2,970.24
  6. Step 6: Final answer
    x = 2,268.59

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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.