Home / 1,588.40-2,192.00-880.25

Finding the Fourth Proportional to 1,588.40, 2,192.00 and 880.25

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Solution

The fourth proportional to 1,588.40, 2,192.00 and 880.25 is: 1,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.40 : 2,192.00 = 880.25 : x
  2. Step 2: Convert to fraction form
    1,588.40/2,192.00 = 880.25/x
  3. Step 3: Cross multiply
    1,588.40x = 2,192.00 × 880.25
  4. Step 4: Simplify right side
    1,588.40x = 1,929,492.64
  5. Step 5: Solve for x
    x = 1,929,492.64/1,588.40
  6. Step 6: Final answer
    x = 1,214.74

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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.