Home / 2,068.60-2,854.69-1,124.40

Finding the Fourth Proportional to 2,068.60, 2,854.69 and 1,124.40

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Solution

The fourth proportional to 2,068.60, 2,854.69 and 1,124.40 is: 1,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.60 : 2,854.69 = 1,124.40 : x
  2. Step 2: Convert to fraction form
    2,068.60/2,854.69 = 1,124.40/x
  3. Step 3: Cross multiply
    2,068.60x = 2,854.69 × 1,124.40
  4. Step 4: Simplify right side
    2,068.60x = 3,209,813.44
  5. Step 5: Solve for x
    x = 3,209,813.44/2,068.60
  6. Step 6: Final answer
    x = 1,551.68

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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.