Home / 1,659.28-2,289.04-1,070.00

Finding the Fourth Proportional to 1,659.28, 2,289.04 and 1,070.00

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Solution

The fourth proportional to 1,659.28, 2,289.04 and 1,070.00 is: 1,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.28 : 2,289.04 = 1,070.00 : x
  2. Step 2: Convert to fraction form
    1,659.28/2,289.04 = 1,070.00/x
  3. Step 3: Cross multiply
    1,659.28x = 2,289.04 × 1,070.00
  4. Step 4: Simplify right side
    1,659.28x = 2,449,275.85
  5. Step 5: Solve for x
    x = 2,449,275.85/1,659.28
  6. Step 6: Final answer
    x = 1,476.11

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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.