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Finding the Fourth Proportional to 1,473.16, 2,035.02 and 1,395.40

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Solution

The fourth proportional to 1,473.16, 2,035.02 and 1,395.40 is: 1,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.16 : 2,035.02 = 1,395.40 : x
  2. Step 2: Convert to fraction form
    1,473.16/2,035.02 = 1,395.40/x
  3. Step 3: Cross multiply
    1,473.16x = 2,035.02 × 1,395.40
  4. Step 4: Simplify right side
    1,473.16x = 2,839,666.91
  5. Step 5: Solve for x
    x = 2,839,666.91/1,473.16
  6. Step 6: Final answer
    x = 1,927.60

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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.