Home / 2,884.02-3,980.15-1,607.98

Finding the Fourth Proportional to 2,884.02, 3,980.15 and 1,607.98

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Solution

The fourth proportional to 2,884.02, 3,980.15 and 1,607.98 is: 2,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.02 : 3,980.15 = 1,607.98 : x
  2. Step 2: Convert to fraction form
    2,884.02/3,980.15 = 1,607.98/x
  3. Step 3: Cross multiply
    2,884.02x = 3,980.15 × 1,607.98
  4. Step 4: Simplify right side
    2,884.02x = 6,400,001.60
  5. Step 5: Solve for x
    x = 6,400,001.60/2,884.02
  6. Step 6: Final answer
    x = 2,219.13

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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.