Home / 1,607.58-2,218.32-899.37

Finding the Fourth Proportional to 1,607.58, 2,218.32 and 899.37

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Solution

The fourth proportional to 1,607.58, 2,218.32 and 899.37 is: 1,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.58 : 2,218.32 = 899.37 : x
  2. Step 2: Convert to fraction form
    1,607.58/2,218.32 = 899.37/x
  3. Step 3: Cross multiply
    1,607.58x = 2,218.32 × 899.37
  4. Step 4: Simplify right side
    1,607.58x = 1,995,090.46
  5. Step 5: Solve for x
    x = 1,995,090.46/1,607.58
  6. Step 6: Final answer
    x = 1,241.05

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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.