Home / 1,816.04-2,721.60-948.56

Finding the Fourth Proportional to 1,816.04, 2,721.60 and 948.56

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Solution

The fourth proportional to 1,816.04, 2,721.60 and 948.56 is: 1,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.04 : 2,721.60 = 948.56 : x
  2. Step 2: Convert to fraction form
    1,816.04/2,721.60 = 948.56/x
  3. Step 3: Cross multiply
    1,816.04x = 2,721.60 × 948.56
  4. Step 4: Simplify right side
    1,816.04x = 2,581,600.90
  5. Step 5: Solve for x
    x = 2,581,600.90/1,816.04
  6. Step 6: Final answer
    x = 1,421.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.