Home / 1,655.29-2,283.60-946.99

Finding the Fourth Proportional to 1,655.29, 2,283.60 and 946.99

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Solution

The fourth proportional to 1,655.29, 2,283.60 and 946.99 is: 1,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.29 : 2,283.60 = 946.99 : x
  2. Step 2: Convert to fraction form
    1,655.29/2,283.60 = 946.99/x
  3. Step 3: Cross multiply
    1,655.29x = 2,283.60 × 946.99
  4. Step 4: Simplify right side
    1,655.29x = 2,162,546.36
  5. Step 5: Solve for x
    x = 2,162,546.36/1,655.29
  6. Step 6: Final answer
    x = 1,306.45

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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.