Home / 2,136.64-2,950.56-1,572.16

Finding the Fourth Proportional to 2,136.64, 2,950.56 and 1,572.16

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Solution

The fourth proportional to 2,136.64, 2,950.56 and 1,572.16 is: 2,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.64 : 2,950.56 = 1,572.16 : x
  2. Step 2: Convert to fraction form
    2,136.64/2,950.56 = 1,572.16/x
  3. Step 3: Cross multiply
    2,136.64x = 2,950.56 × 1,572.16
  4. Step 4: Simplify right side
    2,136.64x = 4,638,752.41
  5. Step 5: Solve for x
    x = 4,638,752.41/2,136.64
  6. Step 6: Final answer
    x = 2,171.05

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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.