Home / 3,540.90-4,886.45-2,048.93

Finding the Fourth Proportional to 3,540.90, 4,886.45 and 2,048.93

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Solution

The fourth proportional to 3,540.90, 4,886.45 and 2,048.93 is: 2,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.90 : 4,886.45 = 2,048.93 : x
  2. Step 2: Convert to fraction form
    3,540.90/4,886.45 = 2,048.93/x
  3. Step 3: Cross multiply
    3,540.90x = 4,886.45 × 2,048.93
  4. Step 4: Simplify right side
    3,540.90x = 10,012,011.71
  5. Step 5: Solve for x
    x = 10,012,011.71/3,540.90
  6. Step 6: Final answer
    x = 2,827.53

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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.