Home / 2,586.40-3,565.44-2,230.72

Finding the Fourth Proportional to 2,586.40, 3,565.44 and 2,230.72

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Solution

The fourth proportional to 2,586.40, 3,565.44 and 2,230.72 is: 3,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.40 : 3,565.44 = 2,230.72 : x
  2. Step 2: Convert to fraction form
    2,586.40/3,565.44 = 2,230.72/x
  3. Step 3: Cross multiply
    2,586.40x = 3,565.44 × 2,230.72
  4. Step 4: Simplify right side
    2,586.40x = 7,953,498.32
  5. Step 5: Solve for x
    x = 7,953,498.32/2,586.40
  6. Step 6: Final answer
    x = 3,075.12

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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.