Home / 1,045.14-1,434.74-897.52

Finding the Fourth Proportional to 1,045.14, 1,434.74 and 897.52

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Solution

The fourth proportional to 1,045.14, 1,434.74 and 897.52 is: 1,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.14 : 1,434.74 = 897.52 : x
  2. Step 2: Convert to fraction form
    1,045.14/1,434.74 = 897.52/x
  3. Step 3: Cross multiply
    1,045.14x = 1,434.74 × 897.52
  4. Step 4: Simplify right side
    1,045.14x = 1,287,707.84
  5. Step 5: Solve for x
    x = 1,287,707.84/1,045.14
  6. Step 6: Final answer
    x = 1,232.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.