Home / 1,562.09-2,329.43-1,332.45

Finding the Fourth Proportional to 1,562.09, 2,329.43 and 1,332.45

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Solution

The fourth proportional to 1,562.09, 2,329.43 and 1,332.45 is: 1,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.09 : 2,329.43 = 1,332.45 : x
  2. Step 2: Convert to fraction form
    1,562.09/2,329.43 = 1,332.45/x
  3. Step 3: Cross multiply
    1,562.09x = 2,329.43 × 1,332.45
  4. Step 4: Simplify right side
    1,562.09x = 3,103,842.34
  5. Step 5: Solve for x
    x = 3,103,842.34/1,562.09
  6. Step 6: Final answer
    x = 1,986.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.