Home / 2,087.19-2,878.98-1,588.74

Finding the Fourth Proportional to 2,087.19, 2,878.98 and 1,588.74

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Solution

The fourth proportional to 2,087.19, 2,878.98 and 1,588.74 is: 2,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.19 : 2,878.98 = 1,588.74 : x
  2. Step 2: Convert to fraction form
    2,087.19/2,878.98 = 1,588.74/x
  3. Step 3: Cross multiply
    2,087.19x = 2,878.98 × 1,588.74
  4. Step 4: Simplify right side
    2,087.19x = 4,573,950.69
  5. Step 5: Solve for x
    x = 4,573,950.69/2,087.19
  6. Step 6: Final answer
    x = 2,191.44

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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.