Home / 1,417.35-2,126.07-1,210.62

Finding the Fourth Proportional to 1,417.35, 2,126.07 and 1,210.62

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Solution

The fourth proportional to 1,417.35, 2,126.07 and 1,210.62 is: 1,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.35 : 2,126.07 = 1,210.62 : x
  2. Step 2: Convert to fraction form
    1,417.35/2,126.07 = 1,210.62/x
  3. Step 3: Cross multiply
    1,417.35x = 2,126.07 × 1,210.62
  4. Step 4: Simplify right side
    1,417.35x = 2,573,862.86
  5. Step 5: Solve for x
    x = 2,573,862.86/1,417.35
  6. Step 6: Final answer
    x = 1,815.97

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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.