Home / 1,036.10-1,554.29-305.57

Finding the Fourth Proportional to 1,036.10, 1,554.29 and 305.57

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Solution

The fourth proportional to 1,036.10, 1,554.29 and 305.57 is: 458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.10 : 1,554.29 = 305.57 : x
  2. Step 2: Convert to fraction form
    1,036.10/1,554.29 = 305.57/x
  3. Step 3: Cross multiply
    1,036.10x = 1,554.29 × 305.57
  4. Step 4: Simplify right side
    1,036.10x = 474,944.40
  5. Step 5: Solve for x
    x = 474,944.40/1,036.10
  6. Step 6: Final answer
    x = 458.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.