Home / 1,975.56-2,726.60-1,888.08

Finding the Fourth Proportional to 1,975.56, 2,726.60 and 1,888.08

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Solution

The fourth proportional to 1,975.56, 2,726.60 and 1,888.08 is: 2,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.56 : 2,726.60 = 1,888.08 : x
  2. Step 2: Convert to fraction form
    1,975.56/2,726.60 = 1,888.08/x
  3. Step 3: Cross multiply
    1,975.56x = 2,726.60 × 1,888.08
  4. Step 4: Simplify right side
    1,975.56x = 5,148,038.93
  5. Step 5: Solve for x
    x = 5,148,038.93/1,975.56
  6. Step 6: Final answer
    x = 2,605.86

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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.