Home / 1,558.51-2,153.60-1,482.58

Finding the Fourth Proportional to 1,558.51, 2,153.60 and 1,482.58

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Solution

The fourth proportional to 1,558.51, 2,153.60 and 1,482.58 is: 2,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.51 : 2,153.60 = 1,482.58 : x
  2. Step 2: Convert to fraction form
    1,558.51/2,153.60 = 1,482.58/x
  3. Step 3: Cross multiply
    1,558.51x = 2,153.60 × 1,482.58
  4. Step 4: Simplify right side
    1,558.51x = 3,192,884.29
  5. Step 5: Solve for x
    x = 3,192,884.29/1,558.51
  6. Step 6: Final answer
    x = 2,048.68

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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.