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Finding the Fourth Proportional to 1,618.34, 2,423.75 and 794.06

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Solution

The fourth proportional to 1,618.34, 2,423.75 and 794.06 is: 1,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.34 : 2,423.75 = 794.06 : x
  2. Step 2: Convert to fraction form
    1,618.34/2,423.75 = 794.06/x
  3. Step 3: Cross multiply
    1,618.34x = 2,423.75 × 794.06
  4. Step 4: Simplify right side
    1,618.34x = 1,924,602.93
  5. Step 5: Solve for x
    x = 1,924,602.93/1,618.34
  6. Step 6: Final answer
    x = 1,189.25

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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.