Home / 1,874.22-2,584.35-1,210.20

Finding the Fourth Proportional to 1,874.22, 2,584.35 and 1,210.20

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Solution

The fourth proportional to 1,874.22, 2,584.35 and 1,210.20 is: 1,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.22 : 2,584.35 = 1,210.20 : x
  2. Step 2: Convert to fraction form
    1,874.22/2,584.35 = 1,210.20/x
  3. Step 3: Cross multiply
    1,874.22x = 2,584.35 × 1,210.20
  4. Step 4: Simplify right side
    1,874.22x = 3,127,580.37
  5. Step 5: Solve for x
    x = 3,127,580.37/1,874.22
  6. Step 6: Final answer
    x = 1,668.74

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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.