Home / 3,545.65-4,892.87-1,973.71

Finding the Fourth Proportional to 3,545.65, 4,892.87 and 1,973.71

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Solution

The fourth proportional to 3,545.65, 4,892.87 and 1,973.71 is: 2,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.65 : 4,892.87 = 1,973.71 : x
  2. Step 2: Convert to fraction form
    3,545.65/4,892.87 = 1,973.71/x
  3. Step 3: Cross multiply
    3,545.65x = 4,892.87 × 1,973.71
  4. Step 4: Simplify right side
    3,545.65x = 9,657,096.58
  5. Step 5: Solve for x
    x = 9,657,096.58/3,545.65
  6. Step 6: Final answer
    x = 2,723.65

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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.