Home / 1,495.72-2,064.18-1,392.04

Finding the Fourth Proportional to 1,495.72, 2,064.18 and 1,392.04

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Solution

The fourth proportional to 1,495.72, 2,064.18 and 1,392.04 is: 1,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.72 : 2,064.18 = 1,392.04 : x
  2. Step 2: Convert to fraction form
    1,495.72/2,064.18 = 1,392.04/x
  3. Step 3: Cross multiply
    1,495.72x = 2,064.18 × 1,392.04
  4. Step 4: Simplify right side
    1,495.72x = 2,873,421.13
  5. Step 5: Solve for x
    x = 2,873,421.13/1,495.72
  6. Step 6: Final answer
    x = 1,921.10

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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.