Home / 1,570.26-2,356.52-1,265.79

Finding the Fourth Proportional to 1,570.26, 2,356.52 and 1,265.79

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Solution

The fourth proportional to 1,570.26, 2,356.52 and 1,265.79 is: 1,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.26 : 2,356.52 = 1,265.79 : x
  2. Step 2: Convert to fraction form
    1,570.26/2,356.52 = 1,265.79/x
  3. Step 3: Cross multiply
    1,570.26x = 2,356.52 × 1,265.79
  4. Step 4: Simplify right side
    1,570.26x = 2,982,853.12
  5. Step 5: Solve for x
    x = 2,982,853.12/1,570.26
  6. Step 6: Final answer
    x = 1,899.59

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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.