Home / 1,878.68-2,592.67-1,132.74

Finding the Fourth Proportional to 1,878.68, 2,592.67 and 1,132.74

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Solution

The fourth proportional to 1,878.68, 2,592.67 and 1,132.74 is: 1,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.68 : 2,592.67 = 1,132.74 : x
  2. Step 2: Convert to fraction form
    1,878.68/2,592.67 = 1,132.74/x
  3. Step 3: Cross multiply
    1,878.68x = 2,592.67 × 1,132.74
  4. Step 4: Simplify right side
    1,878.68x = 2,936,818.18
  5. Step 5: Solve for x
    x = 2,936,818.18/1,878.68
  6. Step 6: Final answer
    x = 1,563.24

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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.