Home / 1,466.18-2,199.44-644.35

Finding the Fourth Proportional to 1,466.18, 2,199.44 and 644.35

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Solution

The fourth proportional to 1,466.18, 2,199.44 and 644.35 is: 966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.18 : 2,199.44 = 644.35 : x
  2. Step 2: Convert to fraction form
    1,466.18/2,199.44 = 644.35/x
  3. Step 3: Cross multiply
    1,466.18x = 2,199.44 × 644.35
  4. Step 4: Simplify right side
    1,466.18x = 1,417,209.16
  5. Step 5: Solve for x
    x = 1,417,209.16/1,466.18
  6. Step 6: Final answer
    x = 966.60

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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.