Home / 2,420.93-3,631.10-666.07

Finding the Fourth Proportional to 2,420.93, 3,631.10 and 666.07

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Solution

The fourth proportional to 2,420.93, 3,631.10 and 666.07 is: 999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.93 : 3,631.10 = 666.07 : x
  2. Step 2: Convert to fraction form
    2,420.93/3,631.10 = 666.07/x
  3. Step 3: Cross multiply
    2,420.93x = 3,631.10 × 666.07
  4. Step 4: Simplify right side
    2,420.93x = 2,418,554.37
  5. Step 5: Solve for x
    x = 2,418,554.37/2,420.93
  6. Step 6: Final answer
    x = 999.02

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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.