Home / 1,147.08-1,726.82-1,045.02

Finding the Fourth Proportional to 1,147.08, 1,726.82 and 1,045.02

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Solution

The fourth proportional to 1,147.08, 1,726.82 and 1,045.02 is: 1,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.08 : 1,726.82 = 1,045.02 : x
  2. Step 2: Convert to fraction form
    1,147.08/1,726.82 = 1,045.02/x
  3. Step 3: Cross multiply
    1,147.08x = 1,726.82 × 1,045.02
  4. Step 4: Simplify right side
    1,147.08x = 1,804,561.44
  5. Step 5: Solve for x
    x = 1,804,561.44/1,147.08
  6. Step 6: Final answer
    x = 1,573.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.