Home / 1,838.10-2,756.86-1,527.74

Finding the Fourth Proportional to 1,838.10, 2,756.86 and 1,527.74

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Solution

The fourth proportional to 1,838.10, 2,756.86 and 1,527.74 is: 2,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.10 : 2,756.86 = 1,527.74 : x
  2. Step 2: Convert to fraction form
    1,838.10/2,756.86 = 1,527.74/x
  3. Step 3: Cross multiply
    1,838.10x = 2,756.86 × 1,527.74
  4. Step 4: Simplify right side
    1,838.10x = 4,211,759.32
  5. Step 5: Solve for x
    x = 4,211,759.32/1,838.10
  6. Step 6: Final answer
    x = 2,291.37

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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.