Home / 2,984.38-4,115.19-1,864.93

Finding the Fourth Proportional to 2,984.38, 4,115.19 and 1,864.93

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Solution

The fourth proportional to 2,984.38, 4,115.19 and 1,864.93 is: 2,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.38 : 4,115.19 = 1,864.93 : x
  2. Step 2: Convert to fraction form
    2,984.38/4,115.19 = 1,864.93/x
  3. Step 3: Cross multiply
    2,984.38x = 4,115.19 × 1,864.93
  4. Step 4: Simplify right side
    2,984.38x = 7,674,541.29
  5. Step 5: Solve for x
    x = 7,674,541.29/2,984.38
  6. Step 6: Final answer
    x = 2,571.57

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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.