Home / 3,545.02-4,891.89-1,973.08

Finding the Fourth Proportional to 3,545.02, 4,891.89 and 1,973.08

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Solution

The fourth proportional to 3,545.02, 4,891.89 and 1,973.08 is: 2,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.02 : 4,891.89 = 1,973.08 : x
  2. Step 2: Convert to fraction form
    3,545.02/4,891.89 = 1,973.08/x
  3. Step 3: Cross multiply
    3,545.02x = 4,891.89 × 1,973.08
  4. Step 4: Simplify right side
    3,545.02x = 9,652,090.32
  5. Step 5: Solve for x
    x = 9,652,090.32/3,545.02
  6. Step 6: Final answer
    x = 2,722.72

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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.