Home / 2,458.07-3,389.55-2,105.16

Finding the Fourth Proportional to 2,458.07, 3,389.55 and 2,105.16

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Solution

The fourth proportional to 2,458.07, 3,389.55 and 2,105.16 is: 2,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.07 : 3,389.55 = 2,105.16 : x
  2. Step 2: Convert to fraction form
    2,458.07/3,389.55 = 2,105.16/x
  3. Step 3: Cross multiply
    2,458.07x = 3,389.55 × 2,105.16
  4. Step 4: Simplify right side
    2,458.07x = 7,135,541.61
  5. Step 5: Solve for x
    x = 7,135,541.61/2,458.07
  6. Step 6: Final answer
    x = 2,902.91

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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.