Home / 1,585.42-2,188.48-1,193.58

Finding the Fourth Proportional to 1,585.42, 2,188.48 and 1,193.58

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Solution

The fourth proportional to 1,585.42, 2,188.48 and 1,193.58 is: 1,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.42 : 2,188.48 = 1,193.58 : x
  2. Step 2: Convert to fraction form
    1,585.42/2,188.48 = 1,193.58/x
  3. Step 3: Cross multiply
    1,585.42x = 2,188.48 × 1,193.58
  4. Step 4: Simplify right side
    1,585.42x = 2,612,125.96
  5. Step 5: Solve for x
    x = 2,612,125.96/1,585.42
  6. Step 6: Final answer
    x = 1,647.59

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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.