Home / 1,557.16-2,335.74-1,479.30

Finding the Fourth Proportional to 1,557.16, 2,335.74 and 1,479.30

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Solution

The fourth proportional to 1,557.16, 2,335.74 and 1,479.30 is: 2,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.16 : 2,335.74 = 1,479.30 : x
  2. Step 2: Convert to fraction form
    1,557.16/2,335.74 = 1,479.30/x
  3. Step 3: Cross multiply
    1,557.16x = 2,335.74 × 1,479.30
  4. Step 4: Simplify right side
    1,557.16x = 3,455,260.18
  5. Step 5: Solve for x
    x = 3,455,260.18/1,557.16
  6. Step 6: Final answer
    x = 2,218.95

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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.