Home / 3,513.79-4,848.95-1,920.37

Finding the Fourth Proportional to 3,513.79, 4,848.95 and 1,920.37

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Solution

The fourth proportional to 3,513.79, 4,848.95 and 1,920.37 is: 2,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.79 : 4,848.95 = 1,920.37 : x
  2. Step 2: Convert to fraction form
    3,513.79/4,848.95 = 1,920.37/x
  3. Step 3: Cross multiply
    3,513.79x = 4,848.95 × 1,920.37
  4. Step 4: Simplify right side
    3,513.79x = 9,311,744.26
  5. Step 5: Solve for x
    x = 9,311,744.26/3,513.79
  6. Step 6: Final answer
    x = 2,650.06

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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.