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Finding the Fourth Proportional to 1,570.70, 2,352.45 and 1,534.70

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Solution

The fourth proportional to 1,570.70, 2,352.45 and 1,534.70 is: 2,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.70 : 2,352.45 = 1,534.70 : x
  2. Step 2: Convert to fraction form
    1,570.70/2,352.45 = 1,534.70/x
  3. Step 3: Cross multiply
    1,570.70x = 2,352.45 × 1,534.70
  4. Step 4: Simplify right side
    1,570.70x = 3,610,305.02
  5. Step 5: Solve for x
    x = 3,610,305.02/1,570.70
  6. Step 6: Final answer
    x = 2,298.53

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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.