Home / 2,454.98-3,386.90-1,818.47

Finding the Fourth Proportional to 2,454.98, 3,386.90 and 1,818.47

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Solution

The fourth proportional to 2,454.98, 3,386.90 and 1,818.47 is: 2,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.98 : 3,386.90 = 1,818.47 : x
  2. Step 2: Convert to fraction form
    2,454.98/3,386.90 = 1,818.47/x
  3. Step 3: Cross multiply
    2,454.98x = 3,386.90 × 1,818.47
  4. Step 4: Simplify right side
    2,454.98x = 6,158,976.36
  5. Step 5: Solve for x
    x = 6,158,976.36/2,454.98
  6. Step 6: Final answer
    x = 2,508.77

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1.5x scale

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.