Home / 2,187.51-3,258.68-2,053.05

Finding the Fourth Proportional to 2,187.51, 3,258.68 and 2,053.05

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Solution

The fourth proportional to 2,187.51, 3,258.68 and 2,053.05 is: 3,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.51 : 3,258.68 = 2,053.05 : x
  2. Step 2: Convert to fraction form
    2,187.51/3,258.68 = 2,053.05/x
  3. Step 3: Cross multiply
    2,187.51x = 3,258.68 × 2,053.05
  4. Step 4: Simplify right side
    2,187.51x = 6,690,222.71
  5. Step 5: Solve for x
    x = 6,690,222.71/2,187.51
  6. Step 6: Final answer
    x = 3,058.37

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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.