Home / 2,012.28-2,776.84-1,349.04

Finding the Fourth Proportional to 2,012.28, 2,776.84 and 1,349.04

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Solution

The fourth proportional to 2,012.28, 2,776.84 and 1,349.04 is: 1,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.28 : 2,776.84 = 1,349.04 : x
  2. Step 2: Convert to fraction form
    2,012.28/2,776.84 = 1,349.04/x
  3. Step 3: Cross multiply
    2,012.28x = 2,776.84 × 1,349.04
  4. Step 4: Simplify right side
    2,012.28x = 3,746,068.23
  5. Step 5: Solve for x
    x = 3,746,068.23/2,012.28
  6. Step 6: Final answer
    x = 1,861.60

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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.