Home / 2,142.04-2,957.70-1,753.24

Finding the Fourth Proportional to 2,142.04, 2,957.70 and 1,753.24

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Solution

The fourth proportional to 2,142.04, 2,957.70 and 1,753.24 is: 2,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142.04 : 2,957.70 = 1,753.24 : x
  2. Step 2: Convert to fraction form
    2,142.04/2,957.70 = 1,753.24/x
  3. Step 3: Cross multiply
    2,142.04x = 2,957.70 × 1,753.24
  4. Step 4: Simplify right side
    2,142.04x = 5,185,557.95
  5. Step 5: Solve for x
    x = 5,185,557.95/2,142.04
  6. Step 6: Final answer
    x = 2,420.85

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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.