Home / 3,127.03-4,289.86-3,045.32

Finding the Fourth Proportional to 3,127.03, 4,289.86 and 3,045.32

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Solution

The fourth proportional to 3,127.03, 4,289.86 and 3,045.32 is: 4,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.03 : 4,289.86 = 3,045.32 : x
  2. Step 2: Convert to fraction form
    3,127.03/4,289.86 = 3,045.32/x
  3. Step 3: Cross multiply
    3,127.03x = 4,289.86 × 3,045.32
  4. Step 4: Simplify right side
    3,127.03x = 13,064,006.96
  5. Step 5: Solve for x
    x = 13,064,006.96/3,127.03
  6. Step 6: Final answer
    x = 4,177.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.