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Finding the Fourth Proportional to 3,545.51, 4,892.87 and 1,973.70

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Solution

The fourth proportional to 3,545.51, 4,892.87 and 1,973.70 is: 2,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.51 : 4,892.87 = 1,973.70 : x
  2. Step 2: Convert to fraction form
    3,545.51/4,892.87 = 1,973.70/x
  3. Step 3: Cross multiply
    3,545.51x = 4,892.87 × 1,973.70
  4. Step 4: Simplify right side
    3,545.51x = 9,657,062.45
  5. Step 5: Solve for x
    x = 9,657,062.45/3,545.51
  6. Step 6: Final answer
    x = 2,723.75

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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.