Home / 2,545.72-3,514.68-1,955.08

Finding the Fourth Proportional to 2,545.72, 3,514.68 and 1,955.08

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Solution

The fourth proportional to 2,545.72, 3,514.68 and 1,955.08 is: 2,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.72 : 3,514.68 = 1,955.08 : x
  2. Step 2: Convert to fraction form
    2,545.72/3,514.68 = 1,955.08/x
  3. Step 3: Cross multiply
    2,545.72x = 3,514.68 × 1,955.08
  4. Step 4: Simplify right side
    2,545.72x = 6,871,480.57
  5. Step 5: Solve for x
    x = 6,871,480.57/2,545.72
  6. Step 6: Final answer
    x = 2,699.23

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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.