Home / 2,923.76-4,386.71-1,076.08

Finding the Fourth Proportional to 2,923.76, 4,386.71 and 1,076.08

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Solution

The fourth proportional to 2,923.76, 4,386.71 and 1,076.08 is: 1,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.76 : 4,386.71 = 1,076.08 : x
  2. Step 2: Convert to fraction form
    2,923.76/4,386.71 = 1,076.08/x
  3. Step 3: Cross multiply
    2,923.76x = 4,386.71 × 1,076.08
  4. Step 4: Simplify right side
    2,923.76x = 4,720,442.62
  5. Step 5: Solve for x
    x = 4,720,442.62/2,923.76
  6. Step 6: Final answer
    x = 1,614.51

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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.