Home / 3,127.30-4,688.64-1,894.44

Finding the Fourth Proportional to 3,127.30, 4,688.64 and 1,894.44

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Solution

The fourth proportional to 3,127.30, 4,688.64 and 1,894.44 is: 2,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.30 : 4,688.64 = 1,894.44 : x
  2. Step 2: Convert to fraction form
    3,127.30/4,688.64 = 1,894.44/x
  3. Step 3: Cross multiply
    3,127.30x = 4,688.64 × 1,894.44
  4. Step 4: Simplify right side
    3,127.30x = 8,882,347.16
  5. Step 5: Solve for x
    x = 8,882,347.16/3,127.30
  6. Step 6: Final answer
    x = 2,840.26

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1.5x scale

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.