Home / 2,206.77-3,307.03-1,587.55

Finding the Fourth Proportional to 2,206.77, 3,307.03 and 1,587.55

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Solution

The fourth proportional to 2,206.77, 3,307.03 and 1,587.55 is: 2,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.77 : 3,307.03 = 1,587.55 : x
  2. Step 2: Convert to fraction form
    2,206.77/3,307.03 = 1,587.55/x
  3. Step 3: Cross multiply
    2,206.77x = 3,307.03 × 1,587.55
  4. Step 4: Simplify right side
    2,206.77x = 5,250,075.48
  5. Step 5: Solve for x
    x = 5,250,075.48/2,206.77
  6. Step 6: Final answer
    x = 2,379.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.