Home / 1,586.37-2,378.70-1,125.06

Finding the Fourth Proportional to 1,586.37, 2,378.70 and 1,125.06

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Solution

The fourth proportional to 1,586.37, 2,378.70 and 1,125.06 is: 1,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.37 : 2,378.70 = 1,125.06 : x
  2. Step 2: Convert to fraction form
    1,586.37/2,378.70 = 1,125.06/x
  3. Step 3: Cross multiply
    1,586.37x = 2,378.70 × 1,125.06
  4. Step 4: Simplify right side
    1,586.37x = 2,676,180.22
  5. Step 5: Solve for x
    x = 2,676,180.22/1,586.37
  6. Step 6: Final answer
    x = 1,686.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.