Home / 4,231.70-6,345.62-1,457.45

Finding the Fourth Proportional to 4,231.70, 6,345.62 and 1,457.45

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Solution

The fourth proportional to 4,231.70, 6,345.62 and 1,457.45 is: 2,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.70 : 6,345.62 = 1,457.45 : x
  2. Step 2: Convert to fraction form
    4,231.70/6,345.62 = 1,457.45/x
  3. Step 3: Cross multiply
    4,231.70x = 6,345.62 × 1,457.45
  4. Step 4: Simplify right side
    4,231.70x = 9,248,423.87
  5. Step 5: Solve for x
    x = 9,248,423.87/4,231.70
  6. Step 6: Final answer
    x = 2,185.51

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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.