Home / 2,129.01-2,937.98-1,184.81

Finding the Fourth Proportional to 2,129.01, 2,937.98 and 1,184.81

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Solution

The fourth proportional to 2,129.01, 2,937.98 and 1,184.81 is: 1,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.01 : 2,937.98 = 1,184.81 : x
  2. Step 2: Convert to fraction form
    2,129.01/2,937.98 = 1,184.81/x
  3. Step 3: Cross multiply
    2,129.01x = 2,937.98 × 1,184.81
  4. Step 4: Simplify right side
    2,129.01x = 3,480,936.36
  5. Step 5: Solve for x
    x = 3,480,936.36/2,129.01
  6. Step 6: Final answer
    x = 1,635.01

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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.