Home / 1,646.18-2,470.90-1,341.62

Finding the Fourth Proportional to 1,646.18, 2,470.90 and 1,341.62

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Solution

The fourth proportional to 1,646.18, 2,470.90 and 1,341.62 is: 2,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.18 : 2,470.90 = 1,341.62 : x
  2. Step 2: Convert to fraction form
    1,646.18/2,470.90 = 1,341.62/x
  3. Step 3: Cross multiply
    1,646.18x = 2,470.90 × 1,341.62
  4. Step 4: Simplify right side
    1,646.18x = 3,315,008.86
  5. Step 5: Solve for x
    x = 3,315,008.86/1,646.18
  6. Step 6: Final answer
    x = 2,013.76

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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.