Home / 2,219.40-3,062.34-1,925.64

Finding the Fourth Proportional to 2,219.40, 3,062.34 and 1,925.64

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Solution

The fourth proportional to 2,219.40, 3,062.34 and 1,925.64 is: 2,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.40 : 3,062.34 = 1,925.64 : x
  2. Step 2: Convert to fraction form
    2,219.40/3,062.34 = 1,925.64/x
  3. Step 3: Cross multiply
    2,219.40x = 3,062.34 × 1,925.64
  4. Step 4: Simplify right side
    2,219.40x = 5,896,964.40
  5. Step 5: Solve for x
    x = 5,896,964.40/2,219.40
  6. Step 6: Final answer
    x = 2,657.01

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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.