Home / 2,390.05-3,586.38-929.26

Finding the Fourth Proportional to 2,390.05, 3,586.38 and 929.26

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Solution

The fourth proportional to 2,390.05, 3,586.38 and 929.26 is: 1,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.05 : 3,586.38 = 929.26 : x
  2. Step 2: Convert to fraction form
    2,390.05/3,586.38 = 929.26/x
  3. Step 3: Cross multiply
    2,390.05x = 3,586.38 × 929.26
  4. Step 4: Simplify right side
    2,390.05x = 3,332,679.48
  5. Step 5: Solve for x
    x = 3,332,679.48/2,390.05
  6. Step 6: Final answer
    x = 1,394.40

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1.5x scale

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.