Home / 1,603.01-2,211.82-973.87

Finding the Fourth Proportional to 1,603.01, 2,211.82 and 973.87

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Solution

The fourth proportional to 1,603.01, 2,211.82 and 973.87 is: 1,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.01 : 2,211.82 = 973.87 : x
  2. Step 2: Convert to fraction form
    1,603.01/2,211.82 = 973.87/x
  3. Step 3: Cross multiply
    1,603.01x = 2,211.82 × 973.87
  4. Step 4: Simplify right side
    1,603.01x = 2,154,017.18
  5. Step 5: Solve for x
    x = 2,154,017.18/1,603.01
  6. Step 6: Final answer
    x = 1,343.73

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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.