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Finding the Fourth Proportional to 1,588.02, 2,383.02 and 767.15

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Solution

The fourth proportional to 1,588.02, 2,383.02 and 767.15 is: 1,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.02 : 2,383.02 = 767.15 : x
  2. Step 2: Convert to fraction form
    1,588.02/2,383.02 = 767.15/x
  3. Step 3: Cross multiply
    1,588.02x = 2,383.02 × 767.15
  4. Step 4: Simplify right side
    1,588.02x = 1,828,121.88
  5. Step 5: Solve for x
    x = 1,828,121.88/1,588.02
  6. Step 6: Final answer
    x = 1,151.20

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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.