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Finding the Fourth Proportional to 1,545.67, 2,319.24 and 960.51

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Solution

The fourth proportional to 1,545.67, 2,319.24 and 960.51 is: 1,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.67 : 2,319.24 = 960.51 : x
  2. Step 2: Convert to fraction form
    1,545.67/2,319.24 = 960.51/x
  3. Step 3: Cross multiply
    1,545.67x = 2,319.24 × 960.51
  4. Step 4: Simplify right side
    1,545.67x = 2,227,653.21
  5. Step 5: Solve for x
    x = 2,227,653.21/1,545.67
  6. Step 6: Final answer
    x = 1,441.23

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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.