Home / 1,563.16-2,342.70-1,397.67

Finding the Fourth Proportional to 1,563.16, 2,342.70 and 1,397.67

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Solution

The fourth proportional to 1,563.16, 2,342.70 and 1,397.67 is: 2,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.16 : 2,342.70 = 1,397.67 : x
  2. Step 2: Convert to fraction form
    1,563.16/2,342.70 = 1,397.67/x
  3. Step 3: Cross multiply
    1,563.16x = 2,342.70 × 1,397.67
  4. Step 4: Simplify right side
    1,563.16x = 3,274,309.80
  5. Step 5: Solve for x
    x = 3,274,309.80/1,563.16
  6. Step 6: Final answer
    x = 2,094.68

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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.