Home / 2,077.40-2,866.84-1,193.20

Finding the Fourth Proportional to 2,077.40, 2,866.84 and 1,193.20

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Solution

The fourth proportional to 2,077.40, 2,866.84 and 1,193.20 is: 1,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.40 : 2,866.84 = 1,193.20 : x
  2. Step 2: Convert to fraction form
    2,077.40/2,866.84 = 1,193.20/x
  3. Step 3: Cross multiply
    2,077.40x = 2,866.84 × 1,193.20
  4. Step 4: Simplify right side
    2,077.40x = 3,420,703.34
  5. Step 5: Solve for x
    x = 3,420,703.34/2,077.40
  6. Step 6: Final answer
    x = 1,646.63

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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.