Home / 1,207.32-1,798.53-1,192.92

Finding the Fourth Proportional to 1,207.32, 1,798.53 and 1,192.92

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Solution

The fourth proportional to 1,207.32, 1,798.53 and 1,192.92 is: 1,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.32 : 1,798.53 = 1,192.92 : x
  2. Step 2: Convert to fraction form
    1,207.32/1,798.53 = 1,192.92/x
  3. Step 3: Cross multiply
    1,207.32x = 1,798.53 × 1,192.92
  4. Step 4: Simplify right side
    1,207.32x = 2,145,502.41
  5. Step 5: Solve for x
    x = 2,145,502.41/1,207.32
  6. Step 6: Final answer
    x = 1,777.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.