Home / 1,117.06-1,548.61-1,057.82

Finding the Fourth Proportional to 1,117.06, 1,548.61 and 1,057.82

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Solution

The fourth proportional to 1,117.06, 1,548.61 and 1,057.82 is: 1,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.06 : 1,548.61 = 1,057.82 : x
  2. Step 2: Convert to fraction form
    1,117.06/1,548.61 = 1,057.82/x
  3. Step 3: Cross multiply
    1,117.06x = 1,548.61 × 1,057.82
  4. Step 4: Simplify right side
    1,117.06x = 1,638,140.24
  5. Step 5: Solve for x
    x = 1,638,140.24/1,117.06
  6. Step 6: Final answer
    x = 1,466.47

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.