Home / 2,039.51-2,814.30-1,155.13

Finding the Fourth Proportional to 2,039.51, 2,814.30 and 1,155.13

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Solution

The fourth proportional to 2,039.51, 2,814.30 and 1,155.13 is: 1,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.51 : 2,814.30 = 1,155.13 : x
  2. Step 2: Convert to fraction form
    2,039.51/2,814.30 = 1,155.13/x
  3. Step 3: Cross multiply
    2,039.51x = 2,814.30 × 1,155.13
  4. Step 4: Simplify right side
    2,039.51x = 3,250,875.32
  5. Step 5: Solve for x
    x = 3,250,875.32/2,039.51
  6. Step 6: Final answer
    x = 1,593.95

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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.