Home / 1,764.65-2,435.23-1,018.61

Finding the Fourth Proportional to 1,764.65, 2,435.23 and 1,018.61

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Solution

The fourth proportional to 1,764.65, 2,435.23 and 1,018.61 is: 1,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.65 : 2,435.23 = 1,018.61 : x
  2. Step 2: Convert to fraction form
    1,764.65/2,435.23 = 1,018.61/x
  3. Step 3: Cross multiply
    1,764.65x = 2,435.23 × 1,018.61
  4. Step 4: Simplify right side
    1,764.65x = 2,480,547.86
  5. Step 5: Solve for x
    x = 2,480,547.86/1,764.65
  6. Step 6: Final answer
    x = 1,405.69

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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.