Home / 1,731.67-2,597.40-561.70

Finding the Fourth Proportional to 1,731.67, 2,597.40 and 561.70

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Solution

The fourth proportional to 1,731.67, 2,597.40 and 561.70 is: 842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.67 : 2,597.40 = 561.70 : x
  2. Step 2: Convert to fraction form
    1,731.67/2,597.40 = 561.70/x
  3. Step 3: Cross multiply
    1,731.67x = 2,597.40 × 561.70
  4. Step 4: Simplify right side
    1,731.67x = 1,458,959.58
  5. Step 5: Solve for x
    x = 1,458,959.58/1,731.67
  6. Step 6: Final answer
    x = 842.52

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1.5x scale

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.