Home / 2,915.16-4,372.47-1,804.74

Finding the Fourth Proportional to 2,915.16, 4,372.47 and 1,804.74

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Solution

The fourth proportional to 2,915.16, 4,372.47 and 1,804.74 is: 2,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.16 : 4,372.47 = 1,804.74 : x
  2. Step 2: Convert to fraction form
    2,915.16/4,372.47 = 1,804.74/x
  3. Step 3: Cross multiply
    2,915.16x = 4,372.47 × 1,804.74
  4. Step 4: Simplify right side
    2,915.16x = 7,891,171.51
  5. Step 5: Solve for x
    x = 7,891,171.51/2,915.16
  6. Step 6: Final answer
    x = 2,706.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.