Home / 1,057.10-1,458.83-615.14

Finding the Fourth Proportional to 1,057.10, 1,458.83 and 615.14

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Solution

The fourth proportional to 1,057.10, 1,458.83 and 615.14 is: 848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.10 : 1,458.83 = 615.14 : x
  2. Step 2: Convert to fraction form
    1,057.10/1,458.83 = 615.14/x
  3. Step 3: Cross multiply
    1,057.10x = 1,458.83 × 615.14
  4. Step 4: Simplify right side
    1,057.10x = 897,378.93
  5. Step 5: Solve for x
    x = 897,378.93/1,057.10
  6. Step 6: Final answer
    x = 848.91

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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.