Home / 1,590.18-2,194.10-1,537.74

Finding the Fourth Proportional to 1,590.18, 2,194.10 and 1,537.74

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Solution

The fourth proportional to 1,590.18, 2,194.10 and 1,537.74 is: 2,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.18 : 2,194.10 = 1,537.74 : x
  2. Step 2: Convert to fraction form
    1,590.18/2,194.10 = 1,537.74/x
  3. Step 3: Cross multiply
    1,590.18x = 2,194.10 × 1,537.74
  4. Step 4: Simplify right side
    1,590.18x = 3,373,955.33
  5. Step 5: Solve for x
    x = 3,373,955.33/1,590.18
  6. Step 6: Final answer
    x = 2,121.74

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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.