Home / 2,970.16-4,097.46-1,922.56

Finding the Fourth Proportional to 2,970.16, 4,097.46 and 1,922.56

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Solution

The fourth proportional to 2,970.16, 4,097.46 and 1,922.56 is: 2,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.16 : 4,097.46 = 1,922.56 : x
  2. Step 2: Convert to fraction form
    2,970.16/4,097.46 = 1,922.56/x
  3. Step 3: Cross multiply
    2,970.16x = 4,097.46 × 1,922.56
  4. Step 4: Simplify right side
    2,970.16x = 7,877,612.70
  5. Step 5: Solve for x
    x = 7,877,612.70/2,970.16
  6. Step 6: Final answer
    x = 2,652.25

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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.