Home / 1,506.36-2,078.85-1,064.40

Finding the Fourth Proportional to 1,506.36, 2,078.85 and 1,064.40

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Solution

The fourth proportional to 1,506.36, 2,078.85 and 1,064.40 is: 1,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.36 : 2,078.85 = 1,064.40 : x
  2. Step 2: Convert to fraction form
    1,506.36/2,078.85 = 1,064.40/x
  3. Step 3: Cross multiply
    1,506.36x = 2,078.85 × 1,064.40
  4. Step 4: Simplify right side
    1,506.36x = 2,212,727.94
  5. Step 5: Solve for x
    x = 2,212,727.94/1,506.36
  6. Step 6: Final answer
    x = 1,468.92

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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.