Home / 1,909.02-2,864.60-935.14

Finding the Fourth Proportional to 1,909.02, 2,864.60 and 935.14

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Solution

The fourth proportional to 1,909.02, 2,864.60 and 935.14 is: 1,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.02 : 2,864.60 = 935.14 : x
  2. Step 2: Convert to fraction form
    1,909.02/2,864.60 = 935.14/x
  3. Step 3: Cross multiply
    1,909.02x = 2,864.60 × 935.14
  4. Step 4: Simplify right side
    1,909.02x = 2,678,802.04
  5. Step 5: Solve for x
    x = 2,678,802.04/1,909.02
  6. Step 6: Final answer
    x = 1,403.23

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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.