Home / 2,590.21-3,574.49-1,411.30

Finding the Fourth Proportional to 2,590.21, 3,574.49 and 1,411.30

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Solution

The fourth proportional to 2,590.21, 3,574.49 and 1,411.30 is: 1,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.21 : 3,574.49 = 1,411.30 : x
  2. Step 2: Convert to fraction form
    2,590.21/3,574.49 = 1,411.30/x
  3. Step 3: Cross multiply
    2,590.21x = 3,574.49 × 1,411.30
  4. Step 4: Simplify right side
    2,590.21x = 5,044,677.74
  5. Step 5: Solve for x
    x = 5,044,677.74/2,590.21
  6. Step 6: Final answer
    x = 1,947.59

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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.