Home / 2,526.88-3,487.01-1,407.77

Finding the Fourth Proportional to 2,526.88, 3,487.01 and 1,407.77

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Solution

The fourth proportional to 2,526.88, 3,487.01 and 1,407.77 is: 1,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.88 : 3,487.01 = 1,407.77 : x
  2. Step 2: Convert to fraction form
    2,526.88/3,487.01 = 1,407.77/x
  3. Step 3: Cross multiply
    2,526.88x = 3,487.01 × 1,407.77
  4. Step 4: Simplify right side
    2,526.88x = 4,908,908.07
  5. Step 5: Solve for x
    x = 4,908,908.07/2,526.88
  6. Step 6: Final answer
    x = 1,942.68

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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.