Home / 2,430.18-3,641.73-1,386.96

Finding the Fourth Proportional to 2,430.18, 3,641.73 and 1,386.96

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Solution

The fourth proportional to 2,430.18, 3,641.73 and 1,386.96 is: 2,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.18 : 3,641.73 = 1,386.96 : x
  2. Step 2: Convert to fraction form
    2,430.18/3,641.73 = 1,386.96/x
  3. Step 3: Cross multiply
    2,430.18x = 3,641.73 × 1,386.96
  4. Step 4: Simplify right side
    2,430.18x = 5,050,933.84
  5. Step 5: Solve for x
    x = 5,050,933.84/2,430.18
  6. Step 6: Final answer
    x = 2,078.42

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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.