Home / 2,430.15-3,352.49-1,545.33

Finding the Fourth Proportional to 2,430.15, 3,352.49 and 1,545.33

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Solution

The fourth proportional to 2,430.15, 3,352.49 and 1,545.33 is: 2,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.15 : 3,352.49 = 1,545.33 : x
  2. Step 2: Convert to fraction form
    2,430.15/3,352.49 = 1,545.33/x
  3. Step 3: Cross multiply
    2,430.15x = 3,352.49 × 1,545.33
  4. Step 4: Simplify right side
    2,430.15x = 5,180,695.15
  5. Step 5: Solve for x
    x = 5,180,695.15/2,430.15
  6. Step 6: Final answer
    x = 2,131.84

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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.