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Finding the Fourth Proportional to 1,869.04, 2,802.90 and 1,850.32

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Solution

The fourth proportional to 1,869.04, 2,802.90 and 1,850.32 is: 2,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.04 : 2,802.90 = 1,850.32 : x
  2. Step 2: Convert to fraction form
    1,869.04/2,802.90 = 1,850.32/x
  3. Step 3: Cross multiply
    1,869.04x = 2,802.90 × 1,850.32
  4. Step 4: Simplify right side
    1,869.04x = 5,186,261.93
  5. Step 5: Solve for x
    x = 5,186,261.93/1,869.04
  6. Step 6: Final answer
    x = 2,774.83

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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.