Home / 1,924.45-2,657.45-1,217.59

Finding the Fourth Proportional to 1,924.45, 2,657.45 and 1,217.59

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Solution

The fourth proportional to 1,924.45, 2,657.45 and 1,217.59 is: 1,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.45 : 2,657.45 = 1,217.59 : x
  2. Step 2: Convert to fraction form
    1,924.45/2,657.45 = 1,217.59/x
  3. Step 3: Cross multiply
    1,924.45x = 2,657.45 × 1,217.59
  4. Step 4: Simplify right side
    1,924.45x = 3,235,678.46
  5. Step 5: Solve for x
    x = 3,235,678.46/1,924.45
  6. Step 6: Final answer
    x = 1,681.35

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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.