Home / 2,918.91-4,352.66-2,892.59

Finding the Fourth Proportional to 2,918.91, 4,352.66 and 2,892.59

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Solution

The fourth proportional to 2,918.91, 4,352.66 and 2,892.59 is: 4,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.91 : 4,352.66 = 2,892.59 : x
  2. Step 2: Convert to fraction form
    2,918.91/4,352.66 = 2,892.59/x
  3. Step 3: Cross multiply
    2,918.91x = 4,352.66 × 2,892.59
  4. Step 4: Simplify right side
    2,918.91x = 12,590,435.41
  5. Step 5: Solve for x
    x = 12,590,435.41/2,918.91
  6. Step 6: Final answer
    x = 4,313.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.