Home / 2,851.02-4,280.01-1,619.40

Finding the Fourth Proportional to 2,851.02, 4,280.01 and 1,619.40

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Solution

The fourth proportional to 2,851.02, 4,280.01 and 1,619.40 is: 2,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.02 : 4,280.01 = 1,619.40 : x
  2. Step 2: Convert to fraction form
    2,851.02/4,280.01 = 1,619.40/x
  3. Step 3: Cross multiply
    2,851.02x = 4,280.01 × 1,619.40
  4. Step 4: Simplify right side
    2,851.02x = 6,931,048.19
  5. Step 5: Solve for x
    x = 6,931,048.19/2,851.02
  6. Step 6: Final answer
    x = 2,431.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.