Home / 1,801.37-2,485.02-1,054.87

Finding the Fourth Proportional to 1,801.37, 2,485.02 and 1,054.87

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Solution

The fourth proportional to 1,801.37, 2,485.02 and 1,054.87 is: 1,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.37 : 2,485.02 = 1,054.87 : x
  2. Step 2: Convert to fraction form
    1,801.37/2,485.02 = 1,054.87/x
  3. Step 3: Cross multiply
    1,801.37x = 2,485.02 × 1,054.87
  4. Step 4: Simplify right side
    1,801.37x = 2,621,370.79
  5. Step 5: Solve for x
    x = 2,621,370.79/1,801.37
  6. Step 6: Final answer
    x = 1,455.21

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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.