Home / 2,983.40-4,455.59-2,539.92

Finding the Fourth Proportional to 2,983.40, 4,455.59 and 2,539.92

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Solution

The fourth proportional to 2,983.40, 4,455.59 and 2,539.92 is: 3,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.40 : 4,455.59 = 2,539.92 : x
  2. Step 2: Convert to fraction form
    2,983.40/4,455.59 = 2,539.92/x
  3. Step 3: Cross multiply
    2,983.40x = 4,455.59 × 2,539.92
  4. Step 4: Simplify right side
    2,983.40x = 11,316,829.45
  5. Step 5: Solve for x
    x = 11,316,829.45/2,983.40
  6. Step 6: Final answer
    x = 3,793.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.