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Finding the Fourth Proportional to 1,567.76, 2,173.42 and 1,484.54

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Solution

The fourth proportional to 1,567.76, 2,173.42 and 1,484.54 is: 2,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.76 : 2,173.42 = 1,484.54 : x
  2. Step 2: Convert to fraction form
    1,567.76/2,173.42 = 1,484.54/x
  3. Step 3: Cross multiply
    1,567.76x = 2,173.42 × 1,484.54
  4. Step 4: Simplify right side
    1,567.76x = 3,226,510.64
  5. Step 5: Solve for x
    x = 3,226,510.64/1,567.76
  6. Step 6: Final answer
    x = 2,058.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.