Home / 1,487.36-2,050.67-1,114.90

Finding the Fourth Proportional to 1,487.36, 2,050.67 and 1,114.90

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Solution

The fourth proportional to 1,487.36, 2,050.67 and 1,114.90 is: 1,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.36 : 2,050.67 = 1,114.90 : x
  2. Step 2: Convert to fraction form
    1,487.36/2,050.67 = 1,114.90/x
  3. Step 3: Cross multiply
    1,487.36x = 2,050.67 × 1,114.90
  4. Step 4: Simplify right side
    1,487.36x = 2,286,289.64
  5. Step 5: Solve for x
    x = 2,286,289.64/1,487.36
  6. Step 6: Final answer
    x = 1,537.14

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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.