Home / 2,526.98-3,486.87-1,407.75

Finding the Fourth Proportional to 2,526.98, 3,486.87 and 1,407.75

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Solution

The fourth proportional to 2,526.98, 3,486.87 and 1,407.75 is: 1,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.98 : 3,486.87 = 1,407.75 : x
  2. Step 2: Convert to fraction form
    2,526.98/3,486.87 = 1,407.75/x
  3. Step 3: Cross multiply
    2,526.98x = 3,486.87 × 1,407.75
  4. Step 4: Simplify right side
    2,526.98x = 4,908,641.24
  5. Step 5: Solve for x
    x = 4,908,641.24/2,526.98
  6. Step 6: Final answer
    x = 1,942.50

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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.