Home / 2,980.08-4,461.90-1,512.06

Finding the Fourth Proportional to 2,980.08, 4,461.90 and 1,512.06

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Solution

The fourth proportional to 2,980.08, 4,461.90 and 1,512.06 is: 2,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.08 : 4,461.90 = 1,512.06 : x
  2. Step 2: Convert to fraction form
    2,980.08/4,461.90 = 1,512.06/x
  3. Step 3: Cross multiply
    2,980.08x = 4,461.90 × 1,512.06
  4. Step 4: Simplify right side
    2,980.08x = 6,746,660.51
  5. Step 5: Solve for x
    x = 6,746,660.51/2,980.08
  6. Step 6: Final answer
    x = 2,263.92

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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.