Home / 1,646.07-2,271.48-899.99

Finding the Fourth Proportional to 1,646.07, 2,271.48 and 899.99

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Solution

The fourth proportional to 1,646.07, 2,271.48 and 899.99 is: 1,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.07 : 2,271.48 = 899.99 : x
  2. Step 2: Convert to fraction form
    1,646.07/2,271.48 = 899.99/x
  3. Step 3: Cross multiply
    1,646.07x = 2,271.48 × 899.99
  4. Step 4: Simplify right side
    1,646.07x = 2,044,297.93
  5. Step 5: Solve for x
    x = 2,044,297.93/1,646.07
  6. Step 6: Final answer
    x = 1,241.93

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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.