Home / 2,448.54-3,679.59-2,389.19

Finding the Fourth Proportional to 2,448.54, 3,679.59 and 2,389.19

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Solution

The fourth proportional to 2,448.54, 3,679.59 and 2,389.19 is: 3,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.54 : 3,679.59 = 2,389.19 : x
  2. Step 2: Convert to fraction form
    2,448.54/3,679.59 = 2,389.19/x
  3. Step 3: Cross multiply
    2,448.54x = 3,679.59 × 2,389.19
  4. Step 4: Simplify right side
    2,448.54x = 8,791,236.89
  5. Step 5: Solve for x
    x = 8,791,236.89/2,448.54
  6. Step 6: Final answer
    x = 3,590.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.