Home / 3,570.74-4,925.97-2,312.20

Finding the Fourth Proportional to 3,570.74, 4,925.97 and 2,312.20

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Solution

The fourth proportional to 3,570.74, 4,925.97 and 2,312.20 is: 3,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.74 : 4,925.97 = 2,312.20 : x
  2. Step 2: Convert to fraction form
    3,570.74/4,925.97 = 2,312.20/x
  3. Step 3: Cross multiply
    3,570.74x = 4,925.97 × 2,312.20
  4. Step 4: Simplify right side
    3,570.74x = 11,389,839.08
  5. Step 5: Solve for x
    x = 11,389,839.08/3,570.74
  6. Step 6: Final answer
    x = 3,189.77

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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.