Home / 1,567.01-2,160.77-1,551.22

Finding the Fourth Proportional to 1,567.01, 2,160.77 and 1,551.22

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Solution

The fourth proportional to 1,567.01, 2,160.77 and 1,551.22 is: 2,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.01 : 2,160.77 = 1,551.22 : x
  2. Step 2: Convert to fraction form
    1,567.01/2,160.77 = 1,551.22/x
  3. Step 3: Cross multiply
    1,567.01x = 2,160.77 × 1,551.22
  4. Step 4: Simplify right side
    1,567.01x = 3,351,816.48
  5. Step 5: Solve for x
    x = 3,351,816.48/1,567.01
  6. Step 6: Final answer
    x = 2,138.99

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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.