Home / 2,590.82-3,569.25-1,803.46

Finding the Fourth Proportional to 2,590.82, 3,569.25 and 1,803.46

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Solution

The fourth proportional to 2,590.82, 3,569.25 and 1,803.46 is: 2,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.82 : 3,569.25 = 1,803.46 : x
  2. Step 2: Convert to fraction form
    2,590.82/3,569.25 = 1,803.46/x
  3. Step 3: Cross multiply
    2,590.82x = 3,569.25 × 1,803.46
  4. Step 4: Simplify right side
    2,590.82x = 6,436,999.61
  5. Step 5: Solve for x
    x = 6,436,999.61/2,590.82
  6. Step 6: Final answer
    x = 2,484.54

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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.