Home / 1,772.28-2,444.40-1,573.32

Finding the Fourth Proportional to 1,772.28, 2,444.40 and 1,573.32

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Solution

The fourth proportional to 1,772.28, 2,444.40 and 1,573.32 is: 2,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.28 : 2,444.40 = 1,573.32 : x
  2. Step 2: Convert to fraction form
    1,772.28/2,444.40 = 1,573.32/x
  3. Step 3: Cross multiply
    1,772.28x = 2,444.40 × 1,573.32
  4. Step 4: Simplify right side
    1,772.28x = 3,845,823.41
  5. Step 5: Solve for x
    x = 3,845,823.41/1,772.28
  6. Step 6: Final answer
    x = 2,169.99

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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.