Home / 1,567.72-2,157.04-1,357.22

Finding the Fourth Proportional to 1,567.72, 2,157.04 and 1,357.22

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Solution

The fourth proportional to 1,567.72, 2,157.04 and 1,357.22 is: 1,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.72 : 2,157.04 = 1,357.22 : x
  2. Step 2: Convert to fraction form
    1,567.72/2,157.04 = 1,357.22/x
  3. Step 3: Cross multiply
    1,567.72x = 2,157.04 × 1,357.22
  4. Step 4: Simplify right side
    1,567.72x = 2,927,577.83
  5. Step 5: Solve for x
    x = 2,927,577.83/1,567.72
  6. Step 6: Final answer
    x = 1,867.41

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1.5x scale

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.