Home / 3,590.37-5,386.50-1,125.27

Finding the Fourth Proportional to 3,590.37, 5,386.50 and 1,125.27

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Solution

The fourth proportional to 3,590.37, 5,386.50 and 1,125.27 is: 1,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.37 : 5,386.50 = 1,125.27 : x
  2. Step 2: Convert to fraction form
    3,590.37/5,386.50 = 1,125.27/x
  3. Step 3: Cross multiply
    3,590.37x = 5,386.50 × 1,125.27
  4. Step 4: Simplify right side
    3,590.37x = 6,061,266.86
  5. Step 5: Solve for x
    x = 6,061,266.86/3,590.37
  6. Step 6: Final answer
    x = 1,688.20

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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.