Home / 1,877.04-2,817.99-1,185.10

Finding the Fourth Proportional to 1,877.04, 2,817.99 and 1,185.10

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Solution

The fourth proportional to 1,877.04, 2,817.99 and 1,185.10 is: 1,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.04 : 2,817.99 = 1,185.10 : x
  2. Step 2: Convert to fraction form
    1,877.04/2,817.99 = 1,185.10/x
  3. Step 3: Cross multiply
    1,877.04x = 2,817.99 × 1,185.10
  4. Step 4: Simplify right side
    1,877.04x = 3,339,592.90
  5. Step 5: Solve for x
    x = 3,339,592.90/1,877.04
  6. Step 6: Final answer
    x = 1,779.18

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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.