Home / 2,445.16-3,374.27-1,382.91

Finding the Fourth Proportional to 2,445.16, 3,374.27 and 1,382.91

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Solution

The fourth proportional to 2,445.16, 3,374.27 and 1,382.91 is: 1,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.16 : 3,374.27 = 1,382.91 : x
  2. Step 2: Convert to fraction form
    2,445.16/3,374.27 = 1,382.91/x
  3. Step 3: Cross multiply
    2,445.16x = 3,374.27 × 1,382.91
  4. Step 4: Simplify right side
    2,445.16x = 4,666,311.73
  5. Step 5: Solve for x
    x = 4,666,311.73/2,445.16
  6. Step 6: Final answer
    x = 1,908.39

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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.