Home / 1,543.56-2,316.50-1,133.74

Finding the Fourth Proportional to 1,543.56, 2,316.50 and 1,133.74

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Solution

The fourth proportional to 1,543.56, 2,316.50 and 1,133.74 is: 1,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.56 : 2,316.50 = 1,133.74 : x
  2. Step 2: Convert to fraction form
    1,543.56/2,316.50 = 1,133.74/x
  3. Step 3: Cross multiply
    1,543.56x = 2,316.50 × 1,133.74
  4. Step 4: Simplify right side
    1,543.56x = 2,626,308.71
  5. Step 5: Solve for x
    x = 2,626,308.71/1,543.56
  6. Step 6: Final answer
    x = 1,701.46

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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.