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Finding the Fourth Proportional to 1,594.68, 2,392.62 and 772.12

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Solution

The fourth proportional to 1,594.68, 2,392.62 and 772.12 is: 1,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.68 : 2,392.62 = 772.12 : x
  2. Step 2: Convert to fraction form
    1,594.68/2,392.62 = 772.12/x
  3. Step 3: Cross multiply
    1,594.68x = 2,392.62 × 772.12
  4. Step 4: Simplify right side
    1,594.68x = 1,847,389.75
  5. Step 5: Solve for x
    x = 1,847,389.75/1,594.68
  6. Step 6: Final answer
    x = 1,158.47

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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.