Home / 1,433.96-1,977.02-1,237.08

Finding the Fourth Proportional to 1,433.96, 1,977.02 and 1,237.08

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Solution

The fourth proportional to 1,433.96, 1,977.02 and 1,237.08 is: 1,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.96 : 1,977.02 = 1,237.08 : x
  2. Step 2: Convert to fraction form
    1,433.96/1,977.02 = 1,237.08/x
  3. Step 3: Cross multiply
    1,433.96x = 1,977.02 × 1,237.08
  4. Step 4: Simplify right side
    1,433.96x = 2,445,731.90
  5. Step 5: Solve for x
    x = 2,445,731.90/1,433.96
  6. Step 6: Final answer
    x = 1,705.58

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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.