Home / 2,715.42-4,070.44-1,543.00

Finding the Fourth Proportional to 2,715.42, 4,070.44 and 1,543.00

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Solution

The fourth proportional to 2,715.42, 4,070.44 and 1,543.00 is: 2,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.42 : 4,070.44 = 1,543.00 : x
  2. Step 2: Convert to fraction form
    2,715.42/4,070.44 = 1,543.00/x
  3. Step 3: Cross multiply
    2,715.42x = 4,070.44 × 1,543.00
  4. Step 4: Simplify right side
    2,715.42x = 6,280,679.63
  5. Step 5: Solve for x
    x = 6,280,679.63/2,715.42
  6. Step 6: Final answer
    x = 2,312.96

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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.