Home / 1,325.06-1,827.66-1,076.38

Finding the Fourth Proportional to 1,325.06, 1,827.66 and 1,076.38

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Solution

The fourth proportional to 1,325.06, 1,827.66 and 1,076.38 is: 1,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.06 : 1,827.66 = 1,076.38 : x
  2. Step 2: Convert to fraction form
    1,325.06/1,827.66 = 1,076.38/x
  3. Step 3: Cross multiply
    1,325.06x = 1,827.66 × 1,076.38
  4. Step 4: Simplify right side
    1,325.06x = 1,967,256.67
  5. Step 5: Solve for x
    x = 1,967,256.67/1,325.06
  6. Step 6: Final answer
    x = 1,484.65

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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.