Home / 3,077.40-4,616.10-1,777.35

Finding the Fourth Proportional to 3,077.40, 4,616.10 and 1,777.35

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Solution

The fourth proportional to 3,077.40, 4,616.10 and 1,777.35 is: 2,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.40 : 4,616.10 = 1,777.35 : x
  2. Step 2: Convert to fraction form
    3,077.40/4,616.10 = 1,777.35/x
  3. Step 3: Cross multiply
    3,077.40x = 4,616.10 × 1,777.35
  4. Step 4: Simplify right side
    3,077.40x = 8,204,425.34
  5. Step 5: Solve for x
    x = 8,204,425.34/3,077.40
  6. Step 6: Final answer
    x = 2,666.03

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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.