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Finding the Fourth Proportional to 1,807.02, 2,719.19 and 1,637.02

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Solution

The fourth proportional to 1,807.02, 2,719.19 and 1,637.02 is: 2,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.02 : 2,719.19 = 1,637.02 : x
  2. Step 2: Convert to fraction form
    1,807.02/2,719.19 = 1,637.02/x
  3. Step 3: Cross multiply
    1,807.02x = 2,719.19 × 1,637.02
  4. Step 4: Simplify right side
    1,807.02x = 4,451,368.41
  5. Step 5: Solve for x
    x = 4,451,368.41/1,807.02
  6. Step 6: Final answer
    x = 2,463.38

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1.5x scale

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.