Home / 1,607.54-2,219.40-1,233.79

Finding the Fourth Proportional to 1,607.54, 2,219.40 and 1,233.79

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Solution

The fourth proportional to 1,607.54, 2,219.40 and 1,233.79 is: 1,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.54 : 2,219.40 = 1,233.79 : x
  2. Step 2: Convert to fraction form
    1,607.54/2,219.40 = 1,233.79/x
  3. Step 3: Cross multiply
    1,607.54x = 2,219.40 × 1,233.79
  4. Step 4: Simplify right side
    1,607.54x = 2,738,267.98
  5. Step 5: Solve for x
    x = 2,738,267.98/1,607.54
  6. Step 6: Final answer
    x = 1,703.40

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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.