Home / 1,732.48-2,390.88-946.58

Finding the Fourth Proportional to 1,732.48, 2,390.88 and 946.58

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Solution

The fourth proportional to 1,732.48, 2,390.88 and 946.58 is: 1,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.48 : 2,390.88 = 946.58 : x
  2. Step 2: Convert to fraction form
    1,732.48/2,390.88 = 946.58/x
  3. Step 3: Cross multiply
    1,732.48x = 2,390.88 × 946.58
  4. Step 4: Simplify right side
    1,732.48x = 2,263,159.19
  5. Step 5: Solve for x
    x = 2,263,159.19/1,732.48
  6. Step 6: Final answer
    x = 1,306.31

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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.