Home / 2,977.47-4,106.59-2,080.92

Finding the Fourth Proportional to 2,977.47, 4,106.59 and 2,080.92

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Solution

The fourth proportional to 2,977.47, 4,106.59 and 2,080.92 is: 2,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.47 : 4,106.59 = 2,080.92 : x
  2. Step 2: Convert to fraction form
    2,977.47/4,106.59 = 2,080.92/x
  3. Step 3: Cross multiply
    2,977.47x = 4,106.59 × 2,080.92
  4. Step 4: Simplify right side
    2,977.47x = 8,545,457.88
  5. Step 5: Solve for x
    x = 8,545,457.88/2,977.47
  6. Step 6: Final answer
    x = 2,870.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.