Home / 3,587.76-4,948.74-2,591.40

Finding the Fourth Proportional to 3,587.76, 4,948.74 and 2,591.40

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Solution

The fourth proportional to 3,587.76, 4,948.74 and 2,591.40 is: 3,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.76 : 4,948.74 = 2,591.40 : x
  2. Step 2: Convert to fraction form
    3,587.76/4,948.74 = 2,591.40/x
  3. Step 3: Cross multiply
    3,587.76x = 4,948.74 × 2,591.40
  4. Step 4: Simplify right side
    3,587.76x = 12,824,164.84
  5. Step 5: Solve for x
    x = 12,824,164.84/3,587.76
  6. Step 6: Final answer
    x = 3,574.42

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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.