Home / 1,562.90-2,155.76-1,136.82

Finding the Fourth Proportional to 1,562.90, 2,155.76 and 1,136.82

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Solution

The fourth proportional to 1,562.90, 2,155.76 and 1,136.82 is: 1,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.90 : 2,155.76 = 1,136.82 : x
  2. Step 2: Convert to fraction form
    1,562.90/2,155.76 = 1,136.82/x
  3. Step 3: Cross multiply
    1,562.90x = 2,155.76 × 1,136.82
  4. Step 4: Simplify right side
    1,562.90x = 2,450,711.08
  5. Step 5: Solve for x
    x = 2,450,711.08/1,562.90
  6. Step 6: Final answer
    x = 1,568.05

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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.