Home / 3,056.15-4,217.50-1,658.91

Finding the Fourth Proportional to 3,056.15, 4,217.50 and 1,658.91

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Solution

The fourth proportional to 3,056.15, 4,217.50 and 1,658.91 is: 2,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.15 : 4,217.50 = 1,658.91 : x
  2. Step 2: Convert to fraction form
    3,056.15/4,217.50 = 1,658.91/x
  3. Step 3: Cross multiply
    3,056.15x = 4,217.50 × 1,658.91
  4. Step 4: Simplify right side
    3,056.15x = 6,996,452.93
  5. Step 5: Solve for x
    x = 6,996,452.93/3,056.15
  6. Step 6: Final answer
    x = 2,289.30

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1.5x scale

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.