Home / 1,877.59-2,816.75-723.25

Finding the Fourth Proportional to 1,877.59, 2,816.75 and 723.25

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Solution

The fourth proportional to 1,877.59, 2,816.75 and 723.25 is: 1,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.59 : 2,816.75 = 723.25 : x
  2. Step 2: Convert to fraction form
    1,877.59/2,816.75 = 723.25/x
  3. Step 3: Cross multiply
    1,877.59x = 2,816.75 × 723.25
  4. Step 4: Simplify right side
    1,877.59x = 2,037,214.44
  5. Step 5: Solve for x
    x = 2,037,214.44/1,877.59
  6. Step 6: Final answer
    x = 1,085.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.