Home / 1,237.08-1,852.32-974.76

Finding the Fourth Proportional to 1,237.08, 1,852.32 and 974.76

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Solution

The fourth proportional to 1,237.08, 1,852.32 and 974.76 is: 1,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.08 : 1,852.32 = 974.76 : x
  2. Step 2: Convert to fraction form
    1,237.08/1,852.32 = 974.76/x
  3. Step 3: Cross multiply
    1,237.08x = 1,852.32 × 974.76
  4. Step 4: Simplify right side
    1,237.08x = 1,805,567.44
  5. Step 5: Solve for x
    x = 1,805,567.44/1,237.08
  6. Step 6: Final answer
    x = 1,459.54

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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.