Home / 2,735.86-3,775.34-1,556.90

Finding the Fourth Proportional to 2,735.86, 3,775.34 and 1,556.90

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Solution

The fourth proportional to 2,735.86, 3,775.34 and 1,556.90 is: 2,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.86 : 3,775.34 = 1,556.90 : x
  2. Step 2: Convert to fraction form
    2,735.86/3,775.34 = 1,556.90/x
  3. Step 3: Cross multiply
    2,735.86x = 3,775.34 × 1,556.90
  4. Step 4: Simplify right side
    2,735.86x = 5,877,840.18
  5. Step 5: Solve for x
    x = 5,877,840.18/2,735.86
  6. Step 6: Final answer
    x = 2,148.45

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1.5x scale

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.