Home / 2,898.60-4,000.70-1,835.68

Finding the Fourth Proportional to 2,898.60, 4,000.70 and 1,835.68

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Solution

The fourth proportional to 2,898.60, 4,000.70 and 1,835.68 is: 2,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.60 : 4,000.70 = 1,835.68 : x
  2. Step 2: Convert to fraction form
    2,898.60/4,000.70 = 1,835.68/x
  3. Step 3: Cross multiply
    2,898.60x = 4,000.70 × 1,835.68
  4. Step 4: Simplify right side
    2,898.60x = 7,344,004.98
  5. Step 5: Solve for x
    x = 7,344,004.98/2,898.60
  6. Step 6: Final answer
    x = 2,533.64

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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.