Home / 2,880.14-4,290.12-2,841.87

Finding the Fourth Proportional to 2,880.14, 4,290.12 and 2,841.87

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Solution

The fourth proportional to 2,880.14, 4,290.12 and 2,841.87 is: 4,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.14 : 4,290.12 = 2,841.87 : x
  2. Step 2: Convert to fraction form
    2,880.14/4,290.12 = 2,841.87/x
  3. Step 3: Cross multiply
    2,880.14x = 4,290.12 × 2,841.87
  4. Step 4: Simplify right side
    2,880.14x = 12,191,963.32
  5. Step 5: Solve for x
    x = 12,191,963.32/2,880.14
  6. Step 6: Final answer
    x = 4,233.12

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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.