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Finding the Fourth Proportional to 1,888.10, 2,604.81 and 1,362.98

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Solution

The fourth proportional to 1,888.10, 2,604.81 and 1,362.98 is: 1,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.10 : 2,604.81 = 1,362.98 : x
  2. Step 2: Convert to fraction form
    1,888.10/2,604.81 = 1,362.98/x
  3. Step 3: Cross multiply
    1,888.10x = 2,604.81 × 1,362.98
  4. Step 4: Simplify right side
    1,888.10x = 3,550,303.93
  5. Step 5: Solve for x
    x = 3,550,303.93/1,888.10
  6. Step 6: Final answer
    x = 1,880.36

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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.