Home / 2,513.80-3,468.93-1,394.80

Finding the Fourth Proportional to 2,513.80, 3,468.93 and 1,394.80

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Solution

The fourth proportional to 2,513.80, 3,468.93 and 1,394.80 is: 1,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.80 : 3,468.93 = 1,394.80 : x
  2. Step 2: Convert to fraction form
    2,513.80/3,468.93 = 1,394.80/x
  3. Step 3: Cross multiply
    2,513.80x = 3,468.93 × 1,394.80
  4. Step 4: Simplify right side
    2,513.80x = 4,838,463.56
  5. Step 5: Solve for x
    x = 4,838,463.56/2,513.80
  6. Step 6: Final answer
    x = 1,924.76

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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.