Home / 1,708.50-2,357.80-962.76

Finding the Fourth Proportional to 1,708.50, 2,357.80 and 962.76

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Solution

The fourth proportional to 1,708.50, 2,357.80 and 962.76 is: 1,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.50 : 2,357.80 = 962.76 : x
  2. Step 2: Convert to fraction form
    1,708.50/2,357.80 = 962.76/x
  3. Step 3: Cross multiply
    1,708.50x = 2,357.80 × 962.76
  4. Step 4: Simplify right side
    1,708.50x = 2,269,995.53
  5. Step 5: Solve for x
    x = 2,269,995.53/1,708.50
  6. Step 6: Final answer
    x = 1,328.65

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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.