Home / 1,708.07-2,356.30-1,043.76

Finding the Fourth Proportional to 1,708.07, 2,356.30 and 1,043.76

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Solution

The fourth proportional to 1,708.07, 2,356.30 and 1,043.76 is: 1,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.07 : 2,356.30 = 1,043.76 : x
  2. Step 2: Convert to fraction form
    1,708.07/2,356.30 = 1,043.76/x
  3. Step 3: Cross multiply
    1,708.07x = 2,356.30 × 1,043.76
  4. Step 4: Simplify right side
    1,708.07x = 2,459,406.47
  5. Step 5: Solve for x
    x = 2,459,406.47/1,708.07
  6. Step 6: Final answer
    x = 1,439.88

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1.5x scale

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.