Home / 2,117.40-2,922.56-1,410.44

Finding the Fourth Proportional to 2,117.40, 2,922.56 and 1,410.44

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Solution

The fourth proportional to 2,117.40, 2,922.56 and 1,410.44 is: 1,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.40 : 2,922.56 = 1,410.44 : x
  2. Step 2: Convert to fraction form
    2,117.40/2,922.56 = 1,410.44/x
  3. Step 3: Cross multiply
    2,117.40x = 2,922.56 × 1,410.44
  4. Step 4: Simplify right side
    2,117.40x = 4,122,073.86
  5. Step 5: Solve for x
    x = 4,122,073.86/2,117.40
  6. Step 6: Final answer
    x = 1,946.76

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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.