Home / 1,877.02-2,590.23-1,091.05

Finding the Fourth Proportional to 1,877.02, 2,590.23 and 1,091.05

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Solution

The fourth proportional to 1,877.02, 2,590.23 and 1,091.05 is: 1,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.02 : 2,590.23 = 1,091.05 : x
  2. Step 2: Convert to fraction form
    1,877.02/2,590.23 = 1,091.05/x
  3. Step 3: Cross multiply
    1,877.02x = 2,590.23 × 1,091.05
  4. Step 4: Simplify right side
    1,877.02x = 2,826,070.44
  5. Step 5: Solve for x
    x = 2,826,070.44/1,877.02
  6. Step 6: Final answer
    x = 1,505.62

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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.