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Finding the Fourth Proportional to 1,807.08, 2,714.13 and 1,478.49

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Solution

The fourth proportional to 1,807.08, 2,714.13 and 1,478.49 is: 2,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.08 : 2,714.13 = 1,478.49 : x
  2. Step 2: Convert to fraction form
    1,807.08/2,714.13 = 1,478.49/x
  3. Step 3: Cross multiply
    1,807.08x = 2,714.13 × 1,478.49
  4. Step 4: Simplify right side
    1,807.08x = 4,012,814.06
  5. Step 5: Solve for x
    x = 4,012,814.06/1,807.08
  6. Step 6: Final answer
    x = 2,220.61

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1.5x scale

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.