Home / 2,476.10-3,418.27-1,915.30

Finding the Fourth Proportional to 2,476.10, 3,418.27 and 1,915.30

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Solution

The fourth proportional to 2,476.10, 3,418.27 and 1,915.30 is: 2,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.10 : 3,418.27 = 1,915.30 : x
  2. Step 2: Convert to fraction form
    2,476.10/3,418.27 = 1,915.30/x
  3. Step 3: Cross multiply
    2,476.10x = 3,418.27 × 1,915.30
  4. Step 4: Simplify right side
    2,476.10x = 6,547,012.53
  5. Step 5: Solve for x
    x = 6,547,012.53/2,476.10
  6. Step 6: Final answer
    x = 2,644.08

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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.