Home / 1,607.13-2,217.95-899.04

Finding the Fourth Proportional to 1,607.13, 2,217.95 and 899.04

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Solution

The fourth proportional to 1,607.13, 2,217.95 and 899.04 is: 1,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.13 : 2,217.95 = 899.04 : x
  2. Step 2: Convert to fraction form
    1,607.13/2,217.95 = 899.04/x
  3. Step 3: Cross multiply
    1,607.13x = 2,217.95 × 899.04
  4. Step 4: Simplify right side
    1,607.13x = 1,994,017.96
  5. Step 5: Solve for x
    x = 1,994,017.96/1,607.13
  6. Step 6: Final answer
    x = 1,240.73

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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.