Home / 1,512.93-2,087.74-849.66

Finding the Fourth Proportional to 1,512.93, 2,087.74 and 849.66

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Solution

The fourth proportional to 1,512.93, 2,087.74 and 849.66 is: 1,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.93 : 2,087.74 = 849.66 : x
  2. Step 2: Convert to fraction form
    1,512.93/2,087.74 = 849.66/x
  3. Step 3: Cross multiply
    1,512.93x = 2,087.74 × 849.66
  4. Step 4: Simplify right side
    1,512.93x = 1,773,869.17
  5. Step 5: Solve for x
    x = 1,773,869.17/1,512.93
  6. Step 6: Final answer
    x = 1,172.47

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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.