Home / 3,455.36-4,768.70-1,963.74

Finding the Fourth Proportional to 3,455.36, 4,768.70 and 1,963.74

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Solution

The fourth proportional to 3,455.36, 4,768.70 and 1,963.74 is: 2,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.36 : 4,768.70 = 1,963.74 : x
  2. Step 2: Convert to fraction form
    3,455.36/4,768.70 = 1,963.74/x
  3. Step 3: Cross multiply
    3,455.36x = 4,768.70 × 1,963.74
  4. Step 4: Simplify right side
    3,455.36x = 9,364,486.94
  5. Step 5: Solve for x
    x = 9,364,486.94/3,455.36
  6. Step 6: Final answer
    x = 2,710.13

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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.