Home / 1,901-2,621.70-1,237.24

Finding the Fourth Proportional to 1,901, 2,621.70 and 1,237.24

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Solution

The fourth proportional to 1,901, 2,621.70 and 1,237.24 is: 1,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901 : 2,621.70 = 1,237.24 : x
  2. Step 2: Convert to fraction form
    1,901/2,621.70 = 1,237.24/x
  3. Step 3: Cross multiply
    1,901x = 2,621.70 × 1,237.24
  4. Step 4: Simplify right side
    1,901x = 3,243,672.11
  5. Step 5: Solve for x
    x = 3,243,672.11/1,901
  6. Step 6: Final answer
    x = 1,706.30

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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.