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Finding the Fourth Proportional to 2,350.89, 3,526.20 and 790.76

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Solution

The fourth proportional to 2,350.89, 3,526.20 and 790.76 is: 1,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.89 : 3,526.20 = 790.76 : x
  2. Step 2: Convert to fraction form
    2,350.89/3,526.20 = 790.76/x
  3. Step 3: Cross multiply
    2,350.89x = 3,526.20 × 790.76
  4. Step 4: Simplify right side
    2,350.89x = 2,788,386.73
  5. Step 5: Solve for x
    x = 2,788,386.73/2,350.89
  6. Step 6: Final answer
    x = 1,186.10

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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.