Home / 3,721.73-5,130-2,526.35

Finding the Fourth Proportional to 3,721.73, 5,130 and 2,526.35

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Solution

The fourth proportional to 3,721.73, 5,130 and 2,526.35 is: 3,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.73 : 5,130 = 2,526.35 : x
  2. Step 2: Convert to fraction form
    3,721.73/5,130 = 2,526.35/x
  3. Step 3: Cross multiply
    3,721.73x = 5,130 × 2,526.35
  4. Step 4: Simplify right side
    3,721.73x = 12,960,175.50
  5. Step 5: Solve for x
    x = 12,960,175.50/3,721.73
  6. Step 6: Final answer
    x = 3,482.30

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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.