Home / 2,545.29-3,513.38-1,955.07

Finding the Fourth Proportional to 2,545.29, 3,513.38 and 1,955.07

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Solution

The fourth proportional to 2,545.29, 3,513.38 and 1,955.07 is: 2,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.29 : 3,513.38 = 1,955.07 : x
  2. Step 2: Convert to fraction form
    2,545.29/3,513.38 = 1,955.07/x
  3. Step 3: Cross multiply
    2,545.29x = 3,513.38 × 1,955.07
  4. Step 4: Simplify right side
    2,545.29x = 6,868,894.06
  5. Step 5: Solve for x
    x = 6,868,894.06/2,545.29
  6. Step 6: Final answer
    x = 2,698.67

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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.