Home / 1,765.16-2,420.44-1,703.36

Finding the Fourth Proportional to 1,765.16, 2,420.44 and 1,703.36

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Solution

The fourth proportional to 1,765.16, 2,420.44 and 1,703.36 is: 2,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.16 : 2,420.44 = 1,703.36 : x
  2. Step 2: Convert to fraction form
    1,765.16/2,420.44 = 1,703.36/x
  3. Step 3: Cross multiply
    1,765.16x = 2,420.44 × 1,703.36
  4. Step 4: Simplify right side
    1,765.16x = 4,122,880.68
  5. Step 5: Solve for x
    x = 4,122,880.68/1,765.16
  6. Step 6: Final answer
    x = 2,335.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.