Home / 3,133.60-4,700.44-1,284.32

Finding the Fourth Proportional to 3,133.60, 4,700.44 and 1,284.32

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Solution

The fourth proportional to 3,133.60, 4,700.44 and 1,284.32 is: 1,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.60 : 4,700.44 = 1,284.32 : x
  2. Step 2: Convert to fraction form
    3,133.60/4,700.44 = 1,284.32/x
  3. Step 3: Cross multiply
    3,133.60x = 4,700.44 × 1,284.32
  4. Step 4: Simplify right side
    3,133.60x = 6,036,869.10
  5. Step 5: Solve for x
    x = 6,036,869.10/3,133.60
  6. Step 6: Final answer
    x = 1,926.50

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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.