Home / 1,778.04-2,670.30-1,368.18

Finding the Fourth Proportional to 1,778.04, 2,670.30 and 1,368.18

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Solution

The fourth proportional to 1,778.04, 2,670.30 and 1,368.18 is: 2,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.04 : 2,670.30 = 1,368.18 : x
  2. Step 2: Convert to fraction form
    1,778.04/2,670.30 = 1,368.18/x
  3. Step 3: Cross multiply
    1,778.04x = 2,670.30 × 1,368.18
  4. Step 4: Simplify right side
    1,778.04x = 3,653,451.05
  5. Step 5: Solve for x
    x = 3,653,451.05/1,778.04
  6. Step 6: Final answer
    x = 2,054.76

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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.