Home / 1,943.19-2,681.46-1,157.07

Finding the Fourth Proportional to 1,943.19, 2,681.46 and 1,157.07

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Solution

The fourth proportional to 1,943.19, 2,681.46 and 1,157.07 is: 1,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.19 : 2,681.46 = 1,157.07 : x
  2. Step 2: Convert to fraction form
    1,943.19/2,681.46 = 1,157.07/x
  3. Step 3: Cross multiply
    1,943.19x = 2,681.46 × 1,157.07
  4. Step 4: Simplify right side
    1,943.19x = 3,102,636.92
  5. Step 5: Solve for x
    x = 3,102,636.92/1,943.19
  6. Step 6: Final answer
    x = 1,596.67

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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.