Home / 2,365.08-3,545.56-977.55

Finding the Fourth Proportional to 2,365.08, 3,545.56 and 977.55

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Solution

The fourth proportional to 2,365.08, 3,545.56 and 977.55 is: 1,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.08 : 3,545.56 = 977.55 : x
  2. Step 2: Convert to fraction form
    2,365.08/3,545.56 = 977.55/x
  3. Step 3: Cross multiply
    2,365.08x = 3,545.56 × 977.55
  4. Step 4: Simplify right side
    2,365.08x = 3,465,959.73
  5. Step 5: Solve for x
    x = 3,465,959.73/2,365.08
  6. Step 6: Final answer
    x = 1,465.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.