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Finding the Fourth Proportional to 1,037.13, 1,548.10 and 914.11

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Solution

The fourth proportional to 1,037.13, 1,548.10 and 914.11 is: 1,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.13 : 1,548.10 = 914.11 : x
  2. Step 2: Convert to fraction form
    1,037.13/1,548.10 = 914.11/x
  3. Step 3: Cross multiply
    1,037.13x = 1,548.10 × 914.11
  4. Step 4: Simplify right side
    1,037.13x = 1,415,133.69
  5. Step 5: Solve for x
    x = 1,415,133.69/1,037.13
  6. Step 6: Final answer
    x = 1,364.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.