Home / 1,460.18-2,190.46-485.96

Finding the Fourth Proportional to 1,460.18, 2,190.46 and 485.96

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Solution

The fourth proportional to 1,460.18, 2,190.46 and 485.96 is: 729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.18 : 2,190.46 = 485.96 : x
  2. Step 2: Convert to fraction form
    1,460.18/2,190.46 = 485.96/x
  3. Step 3: Cross multiply
    1,460.18x = 2,190.46 × 485.96
  4. Step 4: Simplify right side
    1,460.18x = 1,064,475.94
  5. Step 5: Solve for x
    x = 1,064,475.94/1,460.18
  6. Step 6: Final answer
    x = 729.00

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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.