Home / 1,715.63-2,367.59-929.68

Finding the Fourth Proportional to 1,715.63, 2,367.59 and 929.68

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Solution

The fourth proportional to 1,715.63, 2,367.59 and 929.68 is: 1,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.63 : 2,367.59 = 929.68 : x
  2. Step 2: Convert to fraction form
    1,715.63/2,367.59 = 929.68/x
  3. Step 3: Cross multiply
    1,715.63x = 2,367.59 × 929.68
  4. Step 4: Simplify right side
    1,715.63x = 2,201,090.50
  5. Step 5: Solve for x
    x = 2,201,090.50/1,715.63
  6. Step 6: Final answer
    x = 1,282.96

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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.