Home / 2,590.23-3,883.98-1,551.40

Finding the Fourth Proportional to 2,590.23, 3,883.98 and 1,551.40

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Solution

The fourth proportional to 2,590.23, 3,883.98 and 1,551.40 is: 2,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.23 : 3,883.98 = 1,551.40 : x
  2. Step 2: Convert to fraction form
    2,590.23/3,883.98 = 1,551.40/x
  3. Step 3: Cross multiply
    2,590.23x = 3,883.98 × 1,551.40
  4. Step 4: Simplify right side
    2,590.23x = 6,025,611.44
  5. Step 5: Solve for x
    x = 6,025,611.44/2,590.23
  6. Step 6: Final answer
    x = 2,326.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.