Home / 1,904.02-2,627.42-1,118

Finding the Fourth Proportional to 1,904.02, 2,627.42 and 1,118

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Solution

The fourth proportional to 1,904.02, 2,627.42 and 1,118 is: 1,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.02 : 2,627.42 = 1,118 : x
  2. Step 2: Convert to fraction form
    1,904.02/2,627.42 = 1,118/x
  3. Step 3: Cross multiply
    1,904.02x = 2,627.42 × 1,118
  4. Step 4: Simplify right side
    1,904.02x = 2,937,455.56
  5. Step 5: Solve for x
    x = 2,937,455.56/1,904.02
  6. Step 6: Final answer
    x = 1,542.77

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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.