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Finding the Fourth Proportional to 1,461.62, 2,018.64 and 1,133.98

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Solution

The fourth proportional to 1,461.62, 2,018.64 and 1,133.98 is: 1,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.62 : 2,018.64 = 1,133.98 : x
  2. Step 2: Convert to fraction form
    1,461.62/2,018.64 = 1,133.98/x
  3. Step 3: Cross multiply
    1,461.62x = 2,018.64 × 1,133.98
  4. Step 4: Simplify right side
    1,461.62x = 2,289,097.39
  5. Step 5: Solve for x
    x = 2,289,097.39/1,461.62
  6. Step 6: Final answer
    x = 1,566.14

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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.