Home / 1,759.42-2,428.05-973.54

Finding the Fourth Proportional to 1,759.42, 2,428.05 and 973.54

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Solution

The fourth proportional to 1,759.42, 2,428.05 and 973.54 is: 1,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.42 : 2,428.05 = 973.54 : x
  2. Step 2: Convert to fraction form
    1,759.42/2,428.05 = 973.54/x
  3. Step 3: Cross multiply
    1,759.42x = 2,428.05 × 973.54
  4. Step 4: Simplify right side
    1,759.42x = 2,363,803.80
  5. Step 5: Solve for x
    x = 2,363,803.80/1,759.42
  6. Step 6: Final answer
    x = 1,343.51

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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.