Home / 2,918.09-4,027.04-1,783.94

Finding the Fourth Proportional to 2,918.09, 4,027.04 and 1,783.94

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Solution

The fourth proportional to 2,918.09, 4,027.04 and 1,783.94 is: 2,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.09 : 4,027.04 = 1,783.94 : x
  2. Step 2: Convert to fraction form
    2,918.09/4,027.04 = 1,783.94/x
  3. Step 3: Cross multiply
    2,918.09x = 4,027.04 × 1,783.94
  4. Step 4: Simplify right side
    2,918.09x = 7,184,012.27
  5. Step 5: Solve for x
    x = 7,184,012.27/2,918.09
  6. Step 6: Final answer
    x = 2,461.89

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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.