Home / 3,393.90-4,685.27-2,590.63

Finding the Fourth Proportional to 3,393.90, 4,685.27 and 2,590.63

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Solution

The fourth proportional to 3,393.90, 4,685.27 and 2,590.63 is: 3,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.90 : 4,685.27 = 2,590.63 : x
  2. Step 2: Convert to fraction form
    3,393.90/4,685.27 = 2,590.63/x
  3. Step 3: Cross multiply
    3,393.90x = 4,685.27 × 2,590.63
  4. Step 4: Simplify right side
    3,393.90x = 12,137,776.35
  5. Step 5: Solve for x
    x = 12,137,776.35/3,393.90
  6. Step 6: Final answer
    x = 3,576.35

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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.