Home / 1,680.04-2,317.85-1,016.65

Finding the Fourth Proportional to 1,680.04, 2,317.85 and 1,016.65

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Solution

The fourth proportional to 1,680.04, 2,317.85 and 1,016.65 is: 1,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.04 : 2,317.85 = 1,016.65 : x
  2. Step 2: Convert to fraction form
    1,680.04/2,317.85 = 1,016.65/x
  3. Step 3: Cross multiply
    1,680.04x = 2,317.85 × 1,016.65
  4. Step 4: Simplify right side
    1,680.04x = 2,356,445.81
  5. Step 5: Solve for x
    x = 2,356,445.81/1,680.04
  6. Step 6: Final answer
    x = 1,402.61

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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.