Home / 1,332.02-1,838.67-808.10

Finding the Fourth Proportional to 1,332.02, 1,838.67 and 808.10

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Solution

The fourth proportional to 1,332.02, 1,838.67 and 808.10 is: 1,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.02 : 1,838.67 = 808.10 : x
  2. Step 2: Convert to fraction form
    1,332.02/1,838.67 = 808.10/x
  3. Step 3: Cross multiply
    1,332.02x = 1,838.67 × 808.10
  4. Step 4: Simplify right side
    1,332.02x = 1,485,829.23
  5. Step 5: Solve for x
    x = 1,485,829.23/1,332.02
  6. Step 6: Final answer
    x = 1,115.47

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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.