Home / 1,607.18-2,217.86-1,134.58

Finding the Fourth Proportional to 1,607.18, 2,217.86 and 1,134.58

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Solution

The fourth proportional to 1,607.18, 2,217.86 and 1,134.58 is: 1,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.18 : 2,217.86 = 1,134.58 : x
  2. Step 2: Convert to fraction form
    1,607.18/2,217.86 = 1,134.58/x
  3. Step 3: Cross multiply
    1,607.18x = 2,217.86 × 1,134.58
  4. Step 4: Simplify right side
    1,607.18x = 2,516,339.60
  5. Step 5: Solve for x
    x = 2,516,339.60/1,607.18
  6. Step 6: Final answer
    x = 1,565.69

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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.