Home / 1,356.10-2,026.98-1,179.02

Finding the Fourth Proportional to 1,356.10, 2,026.98 and 1,179.02

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Solution

The fourth proportional to 1,356.10, 2,026.98 and 1,179.02 is: 1,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.10 : 2,026.98 = 1,179.02 : x
  2. Step 2: Convert to fraction form
    1,356.10/2,026.98 = 1,179.02/x
  3. Step 3: Cross multiply
    1,356.10x = 2,026.98 × 1,179.02
  4. Step 4: Simplify right side
    1,356.10x = 2,389,849.96
  5. Step 5: Solve for x
    x = 2,389,849.96/1,356.10
  6. Step 6: Final answer
    x = 1,762.30

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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.