Home / 2,424.81-3,346.50-1,430.43

Finding the Fourth Proportional to 2,424.81, 3,346.50 and 1,430.43

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Solution

The fourth proportional to 2,424.81, 3,346.50 and 1,430.43 is: 1,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.81 : 3,346.50 = 1,430.43 : x
  2. Step 2: Convert to fraction form
    2,424.81/3,346.50 = 1,430.43/x
  3. Step 3: Cross multiply
    2,424.81x = 3,346.50 × 1,430.43
  4. Step 4: Simplify right side
    2,424.81x = 4,786,934.00
  5. Step 5: Solve for x
    x = 4,786,934.00/2,424.81
  6. Step 6: Final answer
    x = 1,974.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.