Home / 2,424.78-3,345.73-1,376.66

Finding the Fourth Proportional to 2,424.78, 3,345.73 and 1,376.66

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Solution

The fourth proportional to 2,424.78, 3,345.73 and 1,376.66 is: 1,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.78 : 3,345.73 = 1,376.66 : x
  2. Step 2: Convert to fraction form
    2,424.78/3,345.73 = 1,376.66/x
  3. Step 3: Cross multiply
    2,424.78x = 3,345.73 × 1,376.66
  4. Step 4: Simplify right side
    2,424.78x = 4,605,932.66
  5. Step 5: Solve for x
    x = 4,605,932.66/2,424.78
  6. Step 6: Final answer
    x = 1,899.53

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1.5x scale

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.