Home / 1,925.07-2,657.03-1,261.54

Finding the Fourth Proportional to 1,925.07, 2,657.03 and 1,261.54

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Solution

The fourth proportional to 1,925.07, 2,657.03 and 1,261.54 is: 1,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.07 : 2,657.03 = 1,261.54 : x
  2. Step 2: Convert to fraction form
    1,925.07/2,657.03 = 1,261.54/x
  3. Step 3: Cross multiply
    1,925.07x = 2,657.03 × 1,261.54
  4. Step 4: Simplify right side
    1,925.07x = 3,351,949.63
  5. Step 5: Solve for x
    x = 3,351,949.63/1,925.07
  6. Step 6: Final answer
    x = 1,741.21

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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.