Home / 1,112.13-1,670.93-1,046.52

Finding the Fourth Proportional to 1,112.13, 1,670.93 and 1,046.52

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Solution

The fourth proportional to 1,112.13, 1,670.93 and 1,046.52 is: 1,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.13 : 1,670.93 = 1,046.52 : x
  2. Step 2: Convert to fraction form
    1,112.13/1,670.93 = 1,046.52/x
  3. Step 3: Cross multiply
    1,112.13x = 1,670.93 × 1,046.52
  4. Step 4: Simplify right side
    1,112.13x = 1,748,660.36
  5. Step 5: Solve for x
    x = 1,748,660.36/1,112.13
  6. Step 6: Final answer
    x = 1,572.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.