Home / 1,487.01-2,240.55-1,232.67

Finding the Fourth Proportional to 1,487.01, 2,240.55 and 1,232.67

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Solution

The fourth proportional to 1,487.01, 2,240.55 and 1,232.67 is: 1,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.01 : 2,240.55 = 1,232.67 : x
  2. Step 2: Convert to fraction form
    1,487.01/2,240.55 = 1,232.67/x
  3. Step 3: Cross multiply
    1,487.01x = 2,240.55 × 1,232.67
  4. Step 4: Simplify right side
    1,487.01x = 2,761,858.77
  5. Step 5: Solve for x
    x = 2,761,858.77/1,487.01
  6. Step 6: Final answer
    x = 1,857.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.