Home / 2,547.70-3,818.36-1,377.66

Finding the Fourth Proportional to 2,547.70, 3,818.36 and 1,377.66

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Solution

The fourth proportional to 2,547.70, 3,818.36 and 1,377.66 is: 2,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.70 : 3,818.36 = 1,377.66 : x
  2. Step 2: Convert to fraction form
    2,547.70/3,818.36 = 1,377.66/x
  3. Step 3: Cross multiply
    2,547.70x = 3,818.36 × 1,377.66
  4. Step 4: Simplify right side
    2,547.70x = 5,260,401.84
  5. Step 5: Solve for x
    x = 5,260,401.84/2,547.70
  6. Step 6: Final answer
    x = 2,064.77

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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.