Home / 1,876.62-2,590.20-1,090.56

Finding the Fourth Proportional to 1,876.62, 2,590.20 and 1,090.56

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Solution

The fourth proportional to 1,876.62, 2,590.20 and 1,090.56 is: 1,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.62 : 2,590.20 = 1,090.56 : x
  2. Step 2: Convert to fraction form
    1,876.62/2,590.20 = 1,090.56/x
  3. Step 3: Cross multiply
    1,876.62x = 2,590.20 × 1,090.56
  4. Step 4: Simplify right side
    1,876.62x = 2,824,768.51
  5. Step 5: Solve for x
    x = 2,824,768.51/1,876.62
  6. Step 6: Final answer
    x = 1,505.24

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1.5x scale

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.