Home / 2,768.93-4,153.71-1,125.51

Finding the Fourth Proportional to 2,768.93, 4,153.71 and 1,125.51

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Solution

The fourth proportional to 2,768.93, 4,153.71 and 1,125.51 is: 1,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.93 : 4,153.71 = 1,125.51 : x
  2. Step 2: Convert to fraction form
    2,768.93/4,153.71 = 1,125.51/x
  3. Step 3: Cross multiply
    2,768.93x = 4,153.71 × 1,125.51
  4. Step 4: Simplify right side
    2,768.93x = 4,675,030.79
  5. Step 5: Solve for x
    x = 4,675,030.79/2,768.93
  6. Step 6: Final answer
    x = 1,688.39

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1.5x scale

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.