Home / 2,315.18-3,473.94-929.48

Finding the Fourth Proportional to 2,315.18, 3,473.94 and 929.48

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Solution

The fourth proportional to 2,315.18, 3,473.94 and 929.48 is: 1,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.18 : 3,473.94 = 929.48 : x
  2. Step 2: Convert to fraction form
    2,315.18/3,473.94 = 929.48/x
  3. Step 3: Cross multiply
    2,315.18x = 3,473.94 × 929.48
  4. Step 4: Simplify right side
    2,315.18x = 3,228,938.64
  5. Step 5: Solve for x
    x = 3,228,938.64/2,315.18
  6. Step 6: Final answer
    x = 1,394.68

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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.