Home / 3,111.60-4,672.80-3,014.40

Finding the Fourth Proportional to 3,111.60, 4,672.80 and 3,014.40

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Solution

The fourth proportional to 3,111.60, 4,672.80 and 3,014.40 is: 4,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.60 : 4,672.80 = 3,014.40 : x
  2. Step 2: Convert to fraction form
    3,111.60/4,672.80 = 3,014.40/x
  3. Step 3: Cross multiply
    3,111.60x = 4,672.80 × 3,014.40
  4. Step 4: Simplify right side
    3,111.60x = 14,085,688.32
  5. Step 5: Solve for x
    x = 14,085,688.32/3,111.60
  6. Step 6: Final answer
    x = 4,526.83

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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.