Home / 2,424.61-3,345.87-1,376.56

Finding the Fourth Proportional to 2,424.61, 3,345.87 and 1,376.56

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Solution

The fourth proportional to 2,424.61, 3,345.87 and 1,376.56 is: 1,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.61 : 3,345.87 = 1,376.56 : x
  2. Step 2: Convert to fraction form
    2,424.61/3,345.87 = 1,376.56/x
  3. Step 3: Cross multiply
    2,424.61x = 3,345.87 × 1,376.56
  4. Step 4: Simplify right side
    2,424.61x = 4,605,790.81
  5. Step 5: Solve for x
    x = 4,605,790.81/2,424.61
  6. Step 6: Final answer
    x = 1,899.60

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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.