Home / 3,116.40-4,675.18-925.24

Finding the Fourth Proportional to 3,116.40, 4,675.18 and 925.24

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Solution

The fourth proportional to 3,116.40, 4,675.18 and 925.24 is: 1,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.40 : 4,675.18 = 925.24 : x
  2. Step 2: Convert to fraction form
    3,116.40/4,675.18 = 925.24/x
  3. Step 3: Cross multiply
    3,116.40x = 4,675.18 × 925.24
  4. Step 4: Simplify right side
    3,116.40x = 4,325,663.54
  5. Step 5: Solve for x
    x = 4,325,663.54/3,116.40
  6. Step 6: Final answer
    x = 1,388.03

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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.