Home / 3,542.04-4,887.68-1,970.06

Finding the Fourth Proportional to 3,542.04, 4,887.68 and 1,970.06

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Solution

The fourth proportional to 3,542.04, 4,887.68 and 1,970.06 is: 2,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.04 : 4,887.68 = 1,970.06 : x
  2. Step 2: Convert to fraction form
    3,542.04/4,887.68 = 1,970.06/x
  3. Step 3: Cross multiply
    3,542.04x = 4,887.68 × 1,970.06
  4. Step 4: Simplify right side
    3,542.04x = 9,628,988.57
  5. Step 5: Solve for x
    x = 9,628,988.57/3,542.04
  6. Step 6: Final answer
    x = 2,718.49

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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.