Home / 2,714.81-3,746.45-1,535.86

Finding the Fourth Proportional to 2,714.81, 3,746.45 and 1,535.86

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Solution

The fourth proportional to 2,714.81, 3,746.45 and 1,535.86 is: 2,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.81 : 3,746.45 = 1,535.86 : x
  2. Step 2: Convert to fraction form
    2,714.81/3,746.45 = 1,535.86/x
  3. Step 3: Cross multiply
    2,714.81x = 3,746.45 × 1,535.86
  4. Step 4: Simplify right side
    2,714.81x = 5,754,005.65
  5. Step 5: Solve for x
    x = 5,754,005.65/2,714.81
  6. Step 6: Final answer
    x = 2,119.49

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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.