Home / 3,476.84-4,798.08-1,905

Finding the Fourth Proportional to 3,476.84, 4,798.08 and 1,905

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Solution

The fourth proportional to 3,476.84, 4,798.08 and 1,905 is: 2,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.84 : 4,798.08 = 1,905 : x
  2. Step 2: Convert to fraction form
    3,476.84/4,798.08 = 1,905/x
  3. Step 3: Cross multiply
    3,476.84x = 4,798.08 × 1,905
  4. Step 4: Simplify right side
    3,476.84x = 9,140,342.40
  5. Step 5: Solve for x
    x = 9,140,342.40/3,476.84
  6. Step 6: Final answer
    x = 2,628.92

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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.