Home / 2,130.76-3,181.75-1,741.52

Finding the Fourth Proportional to 2,130.76, 3,181.75 and 1,741.52

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Solution

The fourth proportional to 2,130.76, 3,181.75 and 1,741.52 is: 2,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.76 : 3,181.75 = 1,741.52 : x
  2. Step 2: Convert to fraction form
    2,130.76/3,181.75 = 1,741.52/x
  3. Step 3: Cross multiply
    2,130.76x = 3,181.75 × 1,741.52
  4. Step 4: Simplify right side
    2,130.76x = 5,541,081.26
  5. Step 5: Solve for x
    x = 5,541,081.26/2,130.76
  6. Step 6: Final answer
    x = 2,600.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.