Home / 1,590.98-2,388.56-1,226.07

Finding the Fourth Proportional to 1,590.98, 2,388.56 and 1,226.07

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Solution

The fourth proportional to 1,590.98, 2,388.56 and 1,226.07 is: 1,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.98 : 2,388.56 = 1,226.07 : x
  2. Step 2: Convert to fraction form
    1,590.98/2,388.56 = 1,226.07/x
  3. Step 3: Cross multiply
    1,590.98x = 2,388.56 × 1,226.07
  4. Step 4: Simplify right side
    1,590.98x = 2,928,535.63
  5. Step 5: Solve for x
    x = 2,928,535.63/1,590.98
  6. Step 6: Final answer
    x = 1,840.72

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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.