Home / 2,988.90-4,477.41-2,336.58

Finding the Fourth Proportional to 2,988.90, 4,477.41 and 2,336.58

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Solution

The fourth proportional to 2,988.90, 4,477.41 and 2,336.58 is: 3,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.90 : 4,477.41 = 2,336.58 : x
  2. Step 2: Convert to fraction form
    2,988.90/4,477.41 = 2,336.58/x
  3. Step 3: Cross multiply
    2,988.90x = 4,477.41 × 2,336.58
  4. Step 4: Simplify right side
    2,988.90x = 10,461,826.66
  5. Step 5: Solve for x
    x = 10,461,826.66/2,988.90
  6. Step 6: Final answer
    x = 3,500.23

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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.