Home / 2,430.83-3,352.55-1,545.09

Finding the Fourth Proportional to 2,430.83, 3,352.55 and 1,545.09

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Solution

The fourth proportional to 2,430.83, 3,352.55 and 1,545.09 is: 2,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.83 : 3,352.55 = 1,545.09 : x
  2. Step 2: Convert to fraction form
    2,430.83/3,352.55 = 1,545.09/x
  3. Step 3: Cross multiply
    2,430.83x = 3,352.55 × 1,545.09
  4. Step 4: Simplify right side
    2,430.83x = 5,179,983.75
  5. Step 5: Solve for x
    x = 5,179,983.75/2,430.83
  6. Step 6: Final answer
    x = 2,130.96

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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.