Home / 2,077.65-3,116.40-844.70

Finding the Fourth Proportional to 2,077.65, 3,116.40 and 844.70

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Solution

The fourth proportional to 2,077.65, 3,116.40 and 844.70 is: 1,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.65 : 3,116.40 = 844.70 : x
  2. Step 2: Convert to fraction form
    2,077.65/3,116.40 = 844.70/x
  3. Step 3: Cross multiply
    2,077.65x = 3,116.40 × 844.70
  4. Step 4: Simplify right side
    2,077.65x = 2,632,407.50
  5. Step 5: Solve for x
    x = 2,632,407.50/2,077.65
  6. Step 6: Final answer
    x = 1,267.01

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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.