Home / 1,458.59-2,186.54-581.66

Finding the Fourth Proportional to 1,458.59, 2,186.54 and 581.66

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Solution

The fourth proportional to 1,458.59, 2,186.54 and 581.66 is: 871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.59 : 2,186.54 = 581.66 : x
  2. Step 2: Convert to fraction form
    1,458.59/2,186.54 = 581.66/x
  3. Step 3: Cross multiply
    1,458.59x = 2,186.54 × 581.66
  4. Step 4: Simplify right side
    1,458.59x = 1,271,809.02
  5. Step 5: Solve for x
    x = 1,271,809.02/1,458.59
  6. Step 6: Final answer
    x = 871.94

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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.