Home / 2,590.35-3,886.50-1,551.09

Finding the Fourth Proportional to 2,590.35, 3,886.50 and 1,551.09

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Solution

The fourth proportional to 2,590.35, 3,886.50 and 1,551.09 is: 2,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.35 : 3,886.50 = 1,551.09 : x
  2. Step 2: Convert to fraction form
    2,590.35/3,886.50 = 1,551.09/x
  3. Step 3: Cross multiply
    2,590.35x = 3,886.50 × 1,551.09
  4. Step 4: Simplify right side
    2,590.35x = 6,028,301.09
  5. Step 5: Solve for x
    x = 6,028,301.09/2,590.35
  6. Step 6: Final answer
    x = 2,327.21

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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.