Home / 2,735.74-3,775.62-1,557.10

Finding the Fourth Proportional to 2,735.74, 3,775.62 and 1,557.10

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Solution

The fourth proportional to 2,735.74, 3,775.62 and 1,557.10 is: 2,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.74 : 3,775.62 = 1,557.10 : x
  2. Step 2: Convert to fraction form
    2,735.74/3,775.62 = 1,557.10/x
  3. Step 3: Cross multiply
    2,735.74x = 3,775.62 × 1,557.10
  4. Step 4: Simplify right side
    2,735.74x = 5,879,017.90
  5. Step 5: Solve for x
    x = 5,879,017.90/2,735.74
  6. Step 6: Final answer
    x = 2,148.97

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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.