Home / 2,424.21-3,345.39-1,376.25

Finding the Fourth Proportional to 2,424.21, 3,345.39 and 1,376.25

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Solution

The fourth proportional to 2,424.21, 3,345.39 and 1,376.25 is: 1,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.21 : 3,345.39 = 1,376.25 : x
  2. Step 2: Convert to fraction form
    2,424.21/3,345.39 = 1,376.25/x
  3. Step 3: Cross multiply
    2,424.21x = 3,345.39 × 1,376.25
  4. Step 4: Simplify right side
    2,424.21x = 4,604,092.99
  5. Step 5: Solve for x
    x = 4,604,092.99/2,424.21
  6. Step 6: Final answer
    x = 1,899.21

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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.