Home / 2,854.30-4,281.45-2,643.10

Finding the Fourth Proportional to 2,854.30, 4,281.45 and 2,643.10

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Solution

The fourth proportional to 2,854.30, 4,281.45 and 2,643.10 is: 3,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.30 : 4,281.45 = 2,643.10 : x
  2. Step 2: Convert to fraction form
    2,854.30/4,281.45 = 2,643.10/x
  3. Step 3: Cross multiply
    2,854.30x = 4,281.45 × 2,643.10
  4. Step 4: Simplify right side
    2,854.30x = 11,316,300.50
  5. Step 5: Solve for x
    x = 11,316,300.50/2,854.30
  6. Step 6: Final answer
    x = 3,964.65

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Double scale
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Similar ratio
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1.5x scale

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.