Home / 1,525.63-2,103.60-1,127.86

Finding the Fourth Proportional to 1,525.63, 2,103.60 and 1,127.86

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Solution

The fourth proportional to 1,525.63, 2,103.60 and 1,127.86 is: 1,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.63 : 2,103.60 = 1,127.86 : x
  2. Step 2: Convert to fraction form
    1,525.63/2,103.60 = 1,127.86/x
  3. Step 3: Cross multiply
    1,525.63x = 2,103.60 × 1,127.86
  4. Step 4: Simplify right side
    1,525.63x = 2,372,566.30
  5. Step 5: Solve for x
    x = 2,372,566.30/1,525.63
  6. Step 6: Final answer
    x = 1,555.14

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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.