Home / 2,160.16-2,974.48-1,810.24

Finding the Fourth Proportional to 2,160.16, 2,974.48 and 1,810.24

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Solution

The fourth proportional to 2,160.16, 2,974.48 and 1,810.24 is: 2,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.16 : 2,974.48 = 1,810.24 : x
  2. Step 2: Convert to fraction form
    2,160.16/2,974.48 = 1,810.24/x
  3. Step 3: Cross multiply
    2,160.16x = 2,974.48 × 1,810.24
  4. Step 4: Simplify right side
    2,160.16x = 5,384,522.68
  5. Step 5: Solve for x
    x = 5,384,522.68/2,160.16
  6. Step 6: Final answer
    x = 2,492.65

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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.