Home / 1,975.60-2,726.66-1,505.05

Finding the Fourth Proportional to 1,975.60, 2,726.66 and 1,505.05

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Solution

The fourth proportional to 1,975.60, 2,726.66 and 1,505.05 is: 2,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.60 : 2,726.66 = 1,505.05 : x
  2. Step 2: Convert to fraction form
    1,975.60/2,726.66 = 1,505.05/x
  3. Step 3: Cross multiply
    1,975.60x = 2,726.66 × 1,505.05
  4. Step 4: Simplify right side
    1,975.60x = 4,103,752.11
  5. Step 5: Solve for x
    x = 4,103,752.11/1,975.60
  6. Step 6: Final answer
    x = 2,077.22

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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.