Home / 2,970.65-4,456.45-1,022.39

Finding the Fourth Proportional to 2,970.65, 4,456.45 and 1,022.39

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Solution

The fourth proportional to 2,970.65, 4,456.45 and 1,022.39 is: 1,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.65 : 4,456.45 = 1,022.39 : x
  2. Step 2: Convert to fraction form
    2,970.65/4,456.45 = 1,022.39/x
  3. Step 3: Cross multiply
    2,970.65x = 4,456.45 × 1,022.39
  4. Step 4: Simplify right side
    2,970.65x = 4,556,229.92
  5. Step 5: Solve for x
    x = 4,556,229.92/2,970.65
  6. Step 6: Final answer
    x = 1,533.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.