Home / 1,586.25-2,188.08-1,054.62

Finding the Fourth Proportional to 1,586.25, 2,188.08 and 1,054.62

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Solution

The fourth proportional to 1,586.25, 2,188.08 and 1,054.62 is: 1,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.25 : 2,188.08 = 1,054.62 : x
  2. Step 2: Convert to fraction form
    1,586.25/2,188.08 = 1,054.62/x
  3. Step 3: Cross multiply
    1,586.25x = 2,188.08 × 1,054.62
  4. Step 4: Simplify right side
    1,586.25x = 2,307,592.93
  5. Step 5: Solve for x
    x = 2,307,592.93/1,586.25
  6. Step 6: Final answer
    x = 1,454.75

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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.