Home / 2,899.02-4,348.74-1,437.78

Finding the Fourth Proportional to 2,899.02, 4,348.74 and 1,437.78

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Solution

The fourth proportional to 2,899.02, 4,348.74 and 1,437.78 is: 2,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.02 : 4,348.74 = 1,437.78 : x
  2. Step 2: Convert to fraction form
    2,899.02/4,348.74 = 1,437.78/x
  3. Step 3: Cross multiply
    2,899.02x = 4,348.74 × 1,437.78
  4. Step 4: Simplify right side
    2,899.02x = 6,252,531.40
  5. Step 5: Solve for x
    x = 6,252,531.40/2,899.02
  6. Step 6: Final answer
    x = 2,156.77

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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.