Home / 2,088.07-2,879.54-1,248.63

Finding the Fourth Proportional to 2,088.07, 2,879.54 and 1,248.63

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Solution

The fourth proportional to 2,088.07, 2,879.54 and 1,248.63 is: 1,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.07 : 2,879.54 = 1,248.63 : x
  2. Step 2: Convert to fraction form
    2,088.07/2,879.54 = 1,248.63/x
  3. Step 3: Cross multiply
    2,088.07x = 2,879.54 × 1,248.63
  4. Step 4: Simplify right side
    2,088.07x = 3,595,493.19
  5. Step 5: Solve for x
    x = 3,595,493.19/2,088.07
  6. Step 6: Final answer
    x = 1,721.92

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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.