Home / 1,741.28-2,610.27-645.35

Finding the Fourth Proportional to 1,741.28, 2,610.27 and 645.35

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Solution

The fourth proportional to 1,741.28, 2,610.27 and 645.35 is: 967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.28 : 2,610.27 = 645.35 : x
  2. Step 2: Convert to fraction form
    1,741.28/2,610.27 = 645.35/x
  3. Step 3: Cross multiply
    1,741.28x = 2,610.27 × 645.35
  4. Step 4: Simplify right side
    1,741.28x = 1,684,524.69
  5. Step 5: Solve for x
    x = 1,684,524.69/1,741.28
  6. Step 6: Final answer
    x = 967.41

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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.