Home / 1,612.02-2,222.51-1,043.85

Finding the Fourth Proportional to 1,612.02, 2,222.51 and 1,043.85

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Solution

The fourth proportional to 1,612.02, 2,222.51 and 1,043.85 is: 1,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.02 : 2,222.51 = 1,043.85 : x
  2. Step 2: Convert to fraction form
    1,612.02/2,222.51 = 1,043.85/x
  3. Step 3: Cross multiply
    1,612.02x = 2,222.51 × 1,043.85
  4. Step 4: Simplify right side
    1,612.02x = 2,319,957.49
  5. Step 5: Solve for x
    x = 2,319,957.49/1,612.02
  6. Step 6: Final answer
    x = 1,439.16

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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.