Home / 2,900.26-4,002.34-1,658.50

Finding the Fourth Proportional to 2,900.26, 4,002.34 and 1,658.50

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Solution

The fourth proportional to 2,900.26, 4,002.34 and 1,658.50 is: 2,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.26 : 4,002.34 = 1,658.50 : x
  2. Step 2: Convert to fraction form
    2,900.26/4,002.34 = 1,658.50/x
  3. Step 3: Cross multiply
    2,900.26x = 4,002.34 × 1,658.50
  4. Step 4: Simplify right side
    2,900.26x = 6,637,880.89
  5. Step 5: Solve for x
    x = 6,637,880.89/2,900.26
  6. Step 6: Final answer
    x = 2,288.72

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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.