Home / 1,558.20-2,342.16-1,417.26

Finding the Fourth Proportional to 1,558.20, 2,342.16 and 1,417.26

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Solution

The fourth proportional to 1,558.20, 2,342.16 and 1,417.26 is: 2,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.20 : 2,342.16 = 1,417.26 : x
  2. Step 2: Convert to fraction form
    1,558.20/2,342.16 = 1,417.26/x
  3. Step 3: Cross multiply
    1,558.20x = 2,342.16 × 1,417.26
  4. Step 4: Simplify right side
    1,558.20x = 3,319,449.68
  5. Step 5: Solve for x
    x = 3,319,449.68/1,558.20
  6. Step 6: Final answer
    x = 2,130.31

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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.