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Finding the Fourth Proportional to 1,596.02, 2,392.61 and 621.45

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Solution

The fourth proportional to 1,596.02, 2,392.61 and 621.45 is: 931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.02 : 2,392.61 = 621.45 : x
  2. Step 2: Convert to fraction form
    1,596.02/2,392.61 = 621.45/x
  3. Step 3: Cross multiply
    1,596.02x = 2,392.61 × 621.45
  4. Step 4: Simplify right side
    1,596.02x = 1,486,884.38
  5. Step 5: Solve for x
    x = 1,486,884.38/1,596.02
  6. Step 6: Final answer
    x = 931.62

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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.