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Finding the Fourth Proportional to 2,125.60, 3,188.06 and 586.24

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Solution

The fourth proportional to 2,125.60, 3,188.06 and 586.24 is: 879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.60 : 3,188.06 = 586.24 : x
  2. Step 2: Convert to fraction form
    2,125.60/3,188.06 = 586.24/x
  3. Step 3: Cross multiply
    2,125.60x = 3,188.06 × 586.24
  4. Step 4: Simplify right side
    2,125.60x = 1,868,968.29
  5. Step 5: Solve for x
    x = 1,868,968.29/2,125.60
  6. Step 6: Final answer
    x = 879.27

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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.