Home / 1,053.50-1,453.83-605.40

Finding the Fourth Proportional to 1,053.50, 1,453.83 and 605.40

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Solution

The fourth proportional to 1,053.50, 1,453.83 and 605.40 is: 835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.50 : 1,453.83 = 605.40 : x
  2. Step 2: Convert to fraction form
    1,053.50/1,453.83 = 605.40/x
  3. Step 3: Cross multiply
    1,053.50x = 1,453.83 × 605.40
  4. Step 4: Simplify right side
    1,053.50x = 880,148.68
  5. Step 5: Solve for x
    x = 880,148.68/1,053.50
  6. Step 6: Final answer
    x = 835.45

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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.