Home / 2,160.16-3,237.48-927.24

Finding the Fourth Proportional to 2,160.16, 3,237.48 and 927.24

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Solution

The fourth proportional to 2,160.16, 3,237.48 and 927.24 is: 1,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.16 : 3,237.48 = 927.24 : x
  2. Step 2: Convert to fraction form
    2,160.16/3,237.48 = 927.24/x
  3. Step 3: Cross multiply
    2,160.16x = 3,237.48 × 927.24
  4. Step 4: Simplify right side
    2,160.16x = 3,001,920.96
  5. Step 5: Solve for x
    x = 3,001,920.96/2,160.16
  6. Step 6: Final answer
    x = 1,389.68

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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.