Home / 1,605.93-2,216.67-1,045.41

Finding the Fourth Proportional to 1,605.93, 2,216.67 and 1,045.41

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Solution

The fourth proportional to 1,605.93, 2,216.67 and 1,045.41 is: 1,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.93 : 2,216.67 = 1,045.41 : x
  2. Step 2: Convert to fraction form
    1,605.93/2,216.67 = 1,045.41/x
  3. Step 3: Cross multiply
    1,605.93x = 2,216.67 × 1,045.41
  4. Step 4: Simplify right side
    1,605.93x = 2,317,328.98
  5. Step 5: Solve for x
    x = 2,317,328.98/1,605.93
  6. Step 6: Final answer
    x = 1,442.98

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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.