Home / 2,124.48-2,931.84-1,495.20

Finding the Fourth Proportional to 2,124.48, 2,931.84 and 1,495.20

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Solution

The fourth proportional to 2,124.48, 2,931.84 and 1,495.20 is: 2,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.48 : 2,931.84 = 1,495.20 : x
  2. Step 2: Convert to fraction form
    2,124.48/2,931.84 = 1,495.20/x
  3. Step 3: Cross multiply
    2,124.48x = 2,931.84 × 1,495.20
  4. Step 4: Simplify right side
    2,124.48x = 4,383,687.17
  5. Step 5: Solve for x
    x = 4,383,687.17/2,124.48
  6. Step 6: Final answer
    x = 2,063.42

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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.