Home / 1,688.37-2,531.72-592.58

Finding the Fourth Proportional to 1,688.37, 2,531.72 and 592.58

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Solution

The fourth proportional to 1,688.37, 2,531.72 and 592.58 is: 888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.37 : 2,531.72 = 592.58 : x
  2. Step 2: Convert to fraction form
    1,688.37/2,531.72 = 592.58/x
  3. Step 3: Cross multiply
    1,688.37x = 2,531.72 × 592.58
  4. Step 4: Simplify right side
    1,688.37x = 1,500,235.46
  5. Step 5: Solve for x
    x = 1,500,235.46/1,688.37
  6. Step 6: Final answer
    x = 888.57

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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.