Home / 1,627.48-2,435.70-1,106.20

Finding the Fourth Proportional to 1,627.48, 2,435.70 and 1,106.20

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Solution

The fourth proportional to 1,627.48, 2,435.70 and 1,106.20 is: 1,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.48 : 2,435.70 = 1,106.20 : x
  2. Step 2: Convert to fraction form
    1,627.48/2,435.70 = 1,106.20/x
  3. Step 3: Cross multiply
    1,627.48x = 2,435.70 × 1,106.20
  4. Step 4: Simplify right side
    1,627.48x = 2,694,371.34
  5. Step 5: Solve for x
    x = 2,694,371.34/1,627.48
  6. Step 6: Final answer
    x = 1,655.55

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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.