Home / 2,458.84-3,383.14-2,126.20

Finding the Fourth Proportional to 2,458.84, 3,383.14 and 2,126.20

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Solution

The fourth proportional to 2,458.84, 3,383.14 and 2,126.20 is: 2,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.84 : 3,383.14 = 2,126.20 : x
  2. Step 2: Convert to fraction form
    2,458.84/3,383.14 = 2,126.20/x
  3. Step 3: Cross multiply
    2,458.84x = 3,383.14 × 2,126.20
  4. Step 4: Simplify right side
    2,458.84x = 7,193,232.27
  5. Step 5: Solve for x
    x = 7,193,232.27/2,458.84
  6. Step 6: Final answer
    x = 2,925.46

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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.