Home / 2,915.19-4,023-1,588.91

Finding the Fourth Proportional to 2,915.19, 4,023 and 1,588.91

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Solution

The fourth proportional to 2,915.19, 4,023 and 1,588.91 is: 2,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.19 : 4,023 = 1,588.91 : x
  2. Step 2: Convert to fraction form
    2,915.19/4,023 = 1,588.91/x
  3. Step 3: Cross multiply
    2,915.19x = 4,023 × 1,588.91
  4. Step 4: Simplify right side
    2,915.19x = 6,392,164.82
  5. Step 5: Solve for x
    x = 6,392,164.82/2,915.19
  6. Step 6: Final answer
    x = 2,192.71

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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.