Home / 1,731.77-2,597.63-561.81

Finding the Fourth Proportional to 1,731.77, 2,597.63 and 561.81

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Solution

The fourth proportional to 1,731.77, 2,597.63 and 561.81 is: 842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.77 : 2,597.63 = 561.81 : x
  2. Step 2: Convert to fraction form
    1,731.77/2,597.63 = 561.81/x
  3. Step 3: Cross multiply
    1,731.77x = 2,597.63 × 561.81
  4. Step 4: Simplify right side
    1,731.77x = 1,459,374.51
  5. Step 5: Solve for x
    x = 1,459,374.51/1,731.77
  6. Step 6: Final answer
    x = 842.71

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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.