Home / 1,929.23-2,662.33-1,045.04

Finding the Fourth Proportional to 1,929.23, 2,662.33 and 1,045.04

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Solution

The fourth proportional to 1,929.23, 2,662.33 and 1,045.04 is: 1,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.23 : 2,662.33 = 1,045.04 : x
  2. Step 2: Convert to fraction form
    1,929.23/2,662.33 = 1,045.04/x
  3. Step 3: Cross multiply
    1,929.23x = 2,662.33 × 1,045.04
  4. Step 4: Simplify right side
    1,929.23x = 2,782,241.34
  5. Step 5: Solve for x
    x = 2,782,241.34/1,929.23
  6. Step 6: Final answer
    x = 1,442.15

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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.