Home / 2,858.64-3,945.66-1,740.30

Finding the Fourth Proportional to 2,858.64, 3,945.66 and 1,740.30

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Solution

The fourth proportional to 2,858.64, 3,945.66 and 1,740.30 is: 2,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.64 : 3,945.66 = 1,740.30 : x
  2. Step 2: Convert to fraction form
    2,858.64/3,945.66 = 1,740.30/x
  3. Step 3: Cross multiply
    2,858.64x = 3,945.66 × 1,740.30
  4. Step 4: Simplify right side
    2,858.64x = 6,866,632.10
  5. Step 5: Solve for x
    x = 6,866,632.10/2,858.64
  6. Step 6: Final answer
    x = 2,402.06

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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.