Home / 2,650.30-3,657.40-1,471.36

Finding the Fourth Proportional to 2,650.30, 3,657.40 and 1,471.36

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Solution

The fourth proportional to 2,650.30, 3,657.40 and 1,471.36 is: 2,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.30 : 3,657.40 = 1,471.36 : x
  2. Step 2: Convert to fraction form
    2,650.30/3,657.40 = 1,471.36/x
  3. Step 3: Cross multiply
    2,650.30x = 3,657.40 × 1,471.36
  4. Step 4: Simplify right side
    2,650.30x = 5,381,354.38
  5. Step 5: Solve for x
    x = 5,381,354.38/2,650.30
  6. Step 6: Final answer
    x = 2,030.47

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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.