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Finding the Fourth Proportional to 1,586.68, 2,394.85 and 1,586.68

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Solution

The fourth proportional to 1,586.68, 2,394.85 and 1,586.68 is: 2,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.68 : 2,394.85 = 1,586.68 : x
  2. Step 2: Convert to fraction form
    1,586.68/2,394.85 = 1,586.68/x
  3. Step 3: Cross multiply
    1,586.68x = 2,394.85 × 1,586.68
  4. Step 4: Simplify right side
    1,586.68x = 3,799,860.60
  5. Step 5: Solve for x
    x = 3,799,860.60/1,586.68
  6. Step 6: Final answer
    x = 2,394.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.