Home / 2,918.47-4,027.56-1,784.32

Finding the Fourth Proportional to 2,918.47, 4,027.56 and 1,784.32

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Solution

The fourth proportional to 2,918.47, 4,027.56 and 1,784.32 is: 2,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.47 : 4,027.56 = 1,784.32 : x
  2. Step 2: Convert to fraction form
    2,918.47/4,027.56 = 1,784.32/x
  3. Step 3: Cross multiply
    2,918.47x = 4,027.56 × 1,784.32
  4. Step 4: Simplify right side
    2,918.47x = 7,186,455.86
  5. Step 5: Solve for x
    x = 7,186,455.86/2,918.47
  6. Step 6: Final answer
    x = 2,462.41

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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.