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Finding the Fourth Proportional to 1,885.16, 2,828.03 and 586.32

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Solution

The fourth proportional to 1,885.16, 2,828.03 and 586.32 is: 879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.16 : 2,828.03 = 586.32 : x
  2. Step 2: Convert to fraction form
    1,885.16/2,828.03 = 586.32/x
  3. Step 3: Cross multiply
    1,885.16x = 2,828.03 × 586.32
  4. Step 4: Simplify right side
    1,885.16x = 1,658,130.55
  5. Step 5: Solve for x
    x = 1,658,130.55/1,885.16
  6. Step 6: Final answer
    x = 879.57

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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.