Home / 2,970.48-4,098.84-1,644.17

Finding the Fourth Proportional to 2,970.48, 4,098.84 and 1,644.17

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Solution

The fourth proportional to 2,970.48, 4,098.84 and 1,644.17 is: 2,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.48 : 4,098.84 = 1,644.17 : x
  2. Step 2: Convert to fraction form
    2,970.48/4,098.84 = 1,644.17/x
  3. Step 3: Cross multiply
    2,970.48x = 4,098.84 × 1,644.17
  4. Step 4: Simplify right side
    2,970.48x = 6,739,189.76
  5. Step 5: Solve for x
    x = 6,739,189.76/2,970.48
  6. Step 6: Final answer
    x = 2,268.72

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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.