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Finding the Fourth Proportional to 2,923.29, 4,384.53 and 948.92

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Solution

The fourth proportional to 2,923.29, 4,384.53 and 948.92 is: 1,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.29 : 4,384.53 = 948.92 : x
  2. Step 2: Convert to fraction form
    2,923.29/4,384.53 = 948.92/x
  3. Step 3: Cross multiply
    2,923.29x = 4,384.53 × 948.92
  4. Step 4: Simplify right side
    2,923.29x = 4,160,546.28
  5. Step 5: Solve for x
    x = 4,160,546.28/2,923.29
  6. Step 6: Final answer
    x = 1,423.24

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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.