Home / 1,670.18-2,505.35-1,012.76

Finding the Fourth Proportional to 1,670.18, 2,505.35 and 1,012.76

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Solution

The fourth proportional to 1,670.18, 2,505.35 and 1,012.76 is: 1,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.18 : 2,505.35 = 1,012.76 : x
  2. Step 2: Convert to fraction form
    1,670.18/2,505.35 = 1,012.76/x
  3. Step 3: Cross multiply
    1,670.18x = 2,505.35 × 1,012.76
  4. Step 4: Simplify right side
    1,670.18x = 2,537,305.74
  5. Step 5: Solve for x
    x = 2,537,305.74/1,670.18
  6. Step 6: Final answer
    x = 1,519.18

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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.