Home / 1,504.29-2,076.32-915.02

Finding the Fourth Proportional to 1,504.29, 2,076.32 and 915.02

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Solution

The fourth proportional to 1,504.29, 2,076.32 and 915.02 is: 1,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.29 : 2,076.32 = 915.02 : x
  2. Step 2: Convert to fraction form
    1,504.29/2,076.32 = 915.02/x
  3. Step 3: Cross multiply
    1,504.29x = 2,076.32 × 915.02
  4. Step 4: Simplify right side
    1,504.29x = 1,899,866.23
  5. Step 5: Solve for x
    x = 1,899,866.23/1,504.29
  6. Step 6: Final answer
    x = 1,262.97

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1.5x scale

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.