Home / 2,905.19-4,360.35-1,590.15

Finding the Fourth Proportional to 2,905.19, 4,360.35 and 1,590.15

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Solution

The fourth proportional to 2,905.19, 4,360.35 and 1,590.15 is: 2,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.19 : 4,360.35 = 1,590.15 : x
  2. Step 2: Convert to fraction form
    2,905.19/4,360.35 = 1,590.15/x
  3. Step 3: Cross multiply
    2,905.19x = 4,360.35 × 1,590.15
  4. Step 4: Simplify right side
    2,905.19x = 6,933,610.55
  5. Step 5: Solve for x
    x = 6,933,610.55/2,905.19
  6. Step 6: Final answer
    x = 2,386.63

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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.