Home / 1,730.24-2,384.96-1,108.16

Finding the Fourth Proportional to 1,730.24, 2,384.96 and 1,108.16

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Solution

The fourth proportional to 1,730.24, 2,384.96 and 1,108.16 is: 1,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.24 : 2,384.96 = 1,108.16 : x
  2. Step 2: Convert to fraction form
    1,730.24/2,384.96 = 1,108.16/x
  3. Step 3: Cross multiply
    1,730.24x = 2,384.96 × 1,108.16
  4. Step 4: Simplify right side
    1,730.24x = 2,642,917.27
  5. Step 5: Solve for x
    x = 2,642,917.27/1,730.24
  6. Step 6: Final answer
    x = 1,527.49

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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.