Home / 1,148.61-1,710.75-1,143.01

Finding the Fourth Proportional to 1,148.61, 1,710.75 and 1,143.01

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Solution

The fourth proportional to 1,148.61, 1,710.75 and 1,143.01 is: 1,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.61 : 1,710.75 = 1,143.01 : x
  2. Step 2: Convert to fraction form
    1,148.61/1,710.75 = 1,143.01/x
  3. Step 3: Cross multiply
    1,148.61x = 1,710.75 × 1,143.01
  4. Step 4: Simplify right side
    1,148.61x = 1,955,404.36
  5. Step 5: Solve for x
    x = 1,955,404.36/1,148.61
  6. Step 6: Final answer
    x = 1,702.41

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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.