Home / 1,475.16-2,035.08-915.23

Finding the Fourth Proportional to 1,475.16, 2,035.08 and 915.23

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Solution

The fourth proportional to 1,475.16, 2,035.08 and 915.23 is: 1,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.16 : 2,035.08 = 915.23 : x
  2. Step 2: Convert to fraction form
    1,475.16/2,035.08 = 915.23/x
  3. Step 3: Cross multiply
    1,475.16x = 2,035.08 × 915.23
  4. Step 4: Simplify right side
    1,475.16x = 1,862,556.09
  5. Step 5: Solve for x
    x = 1,862,556.09/1,475.16
  6. Step 6: Final answer
    x = 1,262.61

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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.