Home / 2,526.77-3,487.05-1,392.49

Finding the Fourth Proportional to 2,526.77, 3,487.05 and 1,392.49

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Solution

The fourth proportional to 2,526.77, 3,487.05 and 1,392.49 is: 1,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.77 : 3,487.05 = 1,392.49 : x
  2. Step 2: Convert to fraction form
    2,526.77/3,487.05 = 1,392.49/x
  3. Step 3: Cross multiply
    2,526.77x = 3,487.05 × 1,392.49
  4. Step 4: Simplify right side
    2,526.77x = 4,855,686.61
  5. Step 5: Solve for x
    x = 4,855,686.61/2,526.77
  6. Step 6: Final answer
    x = 1,921.70

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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.