Home / 1,356.42-2,024.79-1,192.40

Finding the Fourth Proportional to 1,356.42, 2,024.79 and 1,192.40

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Solution

The fourth proportional to 1,356.42, 2,024.79 and 1,192.40 is: 1,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.42 : 2,024.79 = 1,192.40 : x
  2. Step 2: Convert to fraction form
    1,356.42/2,024.79 = 1,192.40/x
  3. Step 3: Cross multiply
    1,356.42x = 2,024.79 × 1,192.40
  4. Step 4: Simplify right side
    1,356.42x = 2,414,349.47
  5. Step 5: Solve for x
    x = 2,414,349.47/1,356.42
  6. Step 6: Final answer
    x = 1,779.94

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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.