Home / 3,590.53-5,386.37-1,125.56

Finding the Fourth Proportional to 3,590.53, 5,386.37 and 1,125.56

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Solution

The fourth proportional to 3,590.53, 5,386.37 and 1,125.56 is: 1,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.53 : 5,386.37 = 1,125.56 : x
  2. Step 2: Convert to fraction form
    3,590.53/5,386.37 = 1,125.56/x
  3. Step 3: Cross multiply
    3,590.53x = 5,386.37 × 1,125.56
  4. Step 4: Simplify right side
    3,590.53x = 6,062,690.46
  5. Step 5: Solve for x
    x = 6,062,690.46/3,590.53
  6. Step 6: Final answer
    x = 1,688.52

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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.