Home / 1,607.74-2,219.62-1,206.16

Finding the Fourth Proportional to 1,607.74, 2,219.62 and 1,206.16

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Solution

The fourth proportional to 1,607.74, 2,219.62 and 1,206.16 is: 1,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.74 : 2,219.62 = 1,206.16 : x
  2. Step 2: Convert to fraction form
    1,607.74/2,219.62 = 1,206.16/x
  3. Step 3: Cross multiply
    1,607.74x = 2,219.62 × 1,206.16
  4. Step 4: Simplify right side
    1,607.74x = 2,677,210.56
  5. Step 5: Solve for x
    x = 2,677,210.56/1,607.74
  6. Step 6: Final answer
    x = 1,665.20

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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.