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Finding the Fourth Proportional to 1,623.48, 2,434.74 and 583.30

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Solution

The fourth proportional to 1,623.48, 2,434.74 and 583.30 is: 874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.48 : 2,434.74 = 583.30 : x
  2. Step 2: Convert to fraction form
    1,623.48/2,434.74 = 583.30/x
  3. Step 3: Cross multiply
    1,623.48x = 2,434.74 × 583.30
  4. Step 4: Simplify right side
    1,623.48x = 1,420,183.84
  5. Step 5: Solve for x
    x = 1,420,183.84/1,623.48
  6. Step 6: Final answer
    x = 874.78

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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.