Home / 2,918.07-4,025.48-1,738.31

Finding the Fourth Proportional to 2,918.07, 4,025.48 and 1,738.31

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Solution

The fourth proportional to 2,918.07, 4,025.48 and 1,738.31 is: 2,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.07 : 4,025.48 = 1,738.31 : x
  2. Step 2: Convert to fraction form
    2,918.07/4,025.48 = 1,738.31/x
  3. Step 3: Cross multiply
    2,918.07x = 4,025.48 × 1,738.31
  4. Step 4: Simplify right side
    2,918.07x = 6,997,503.32
  5. Step 5: Solve for x
    x = 6,997,503.32/2,918.07
  6. Step 6: Final answer
    x = 2,397.99

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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.