Home / 1,565.06-2,343.47-1,015.56

Finding the Fourth Proportional to 1,565.06, 2,343.47 and 1,015.56

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Solution

The fourth proportional to 1,565.06, 2,343.47 and 1,015.56 is: 1,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.06 : 2,343.47 = 1,015.56 : x
  2. Step 2: Convert to fraction form
    1,565.06/2,343.47 = 1,015.56/x
  3. Step 3: Cross multiply
    1,565.06x = 2,343.47 × 1,015.56
  4. Step 4: Simplify right side
    1,565.06x = 2,379,929.32
  5. Step 5: Solve for x
    x = 2,379,929.32/1,565.06
  6. Step 6: Final answer
    x = 1,520.67

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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.