Home / 4,038.30-6,056.70-1,405.80

Finding the Fourth Proportional to 4,038.30, 6,056.70 and 1,405.80

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Solution

The fourth proportional to 4,038.30, 6,056.70 and 1,405.80 is: 2,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.30 : 6,056.70 = 1,405.80 : x
  2. Step 2: Convert to fraction form
    4,038.30/6,056.70 = 1,405.80/x
  3. Step 3: Cross multiply
    4,038.30x = 6,056.70 × 1,405.80
  4. Step 4: Simplify right side
    4,038.30x = 8,514,508.86
  5. Step 5: Solve for x
    x = 8,514,508.86/4,038.30
  6. Step 6: Final answer
    x = 2,108.44

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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.