Home / 1,709.04-2,564.91-929.91

Finding the Fourth Proportional to 1,709.04, 2,564.91 and 929.91

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Solution

The fourth proportional to 1,709.04, 2,564.91 and 929.91 is: 1,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.04 : 2,564.91 = 929.91 : x
  2. Step 2: Convert to fraction form
    1,709.04/2,564.91 = 929.91/x
  3. Step 3: Cross multiply
    1,709.04x = 2,564.91 × 929.91
  4. Step 4: Simplify right side
    1,709.04x = 2,385,135.46
  5. Step 5: Solve for x
    x = 2,385,135.46/1,709.04
  6. Step 6: Final answer
    x = 1,395.60

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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.