Home / 1,455.42-2,172.57-1,347.01

Finding the Fourth Proportional to 1,455.42, 2,172.57 and 1,347.01

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Solution

The fourth proportional to 1,455.42, 2,172.57 and 1,347.01 is: 2,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.42 : 2,172.57 = 1,347.01 : x
  2. Step 2: Convert to fraction form
    1,455.42/2,172.57 = 1,347.01/x
  3. Step 3: Cross multiply
    1,455.42x = 2,172.57 × 1,347.01
  4. Step 4: Simplify right side
    1,455.42x = 2,926,473.52
  5. Step 5: Solve for x
    x = 2,926,473.52/1,455.42
  6. Step 6: Final answer
    x = 2,010.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.