Home / 2,184.86-3,014.60-1,438.94

Finding the Fourth Proportional to 2,184.86, 3,014.60 and 1,438.94

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Solution

The fourth proportional to 2,184.86, 3,014.60 and 1,438.94 is: 1,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.86 : 3,014.60 = 1,438.94 : x
  2. Step 2: Convert to fraction form
    2,184.86/3,014.60 = 1,438.94/x
  3. Step 3: Cross multiply
    2,184.86x = 3,014.60 × 1,438.94
  4. Step 4: Simplify right side
    2,184.86x = 4,337,828.52
  5. Step 5: Solve for x
    x = 4,337,828.52/2,184.86
  6. Step 6: Final answer
    x = 1,985.40

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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.