Home / 1,437.95-2,143.26-1,355.94

Finding the Fourth Proportional to 1,437.95, 2,143.26 and 1,355.94

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Solution

The fourth proportional to 1,437.95, 2,143.26 and 1,355.94 is: 2,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.95 : 2,143.26 = 1,355.94 : x
  2. Step 2: Convert to fraction form
    1,437.95/2,143.26 = 1,355.94/x
  3. Step 3: Cross multiply
    1,437.95x = 2,143.26 × 1,355.94
  4. Step 4: Simplify right side
    1,437.95x = 2,906,131.96
  5. Step 5: Solve for x
    x = 2,906,131.96/1,437.95
  6. Step 6: Final answer
    x = 2,021.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.