Home / 3,001.89-4,501.40-1,419.30

Finding the Fourth Proportional to 3,001.89, 4,501.40 and 1,419.30

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Solution

The fourth proportional to 3,001.89, 4,501.40 and 1,419.30 is: 2,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.89 : 4,501.40 = 1,419.30 : x
  2. Step 2: Convert to fraction form
    3,001.89/4,501.40 = 1,419.30/x
  3. Step 3: Cross multiply
    3,001.89x = 4,501.40 × 1,419.30
  4. Step 4: Simplify right side
    3,001.89x = 6,388,807.42
  5. Step 5: Solve for x
    x = 6,388,807.42/3,001.89
  6. Step 6: Final answer
    x = 2,128.26

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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.