Home / 2,077.24-3,116.10-845.08

Finding the Fourth Proportional to 2,077.24, 3,116.10 and 845.08

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Solution

The fourth proportional to 2,077.24, 3,116.10 and 845.08 is: 1,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.24 : 3,116.10 = 845.08 : x
  2. Step 2: Convert to fraction form
    2,077.24/3,116.10 = 845.08/x
  3. Step 3: Cross multiply
    2,077.24x = 3,116.10 × 845.08
  4. Step 4: Simplify right side
    2,077.24x = 2,633,353.79
  5. Step 5: Solve for x
    x = 2,633,353.79/2,077.24
  6. Step 6: Final answer
    x = 1,267.72

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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.