Home / 2,456.51-3,389.92-1,408.50

Finding the Fourth Proportional to 2,456.51, 3,389.92 and 1,408.50

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Solution

The fourth proportional to 2,456.51, 3,389.92 and 1,408.50 is: 1,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.51 : 3,389.92 = 1,408.50 : x
  2. Step 2: Convert to fraction form
    2,456.51/3,389.92 = 1,408.50/x
  3. Step 3: Cross multiply
    2,456.51x = 3,389.92 × 1,408.50
  4. Step 4: Simplify right side
    2,456.51x = 4,774,698.80
  5. Step 5: Solve for x
    x = 4,774,698.80/2,456.51
  6. Step 6: Final answer
    x = 1,943.70

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