Home / 1,570.60-2,344.96-1,415.08

Finding the Fourth Proportional to 1,570.60, 2,344.96 and 1,415.08

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Solution

The fourth proportional to 1,570.60, 2,344.96 and 1,415.08 is: 2,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.60 : 2,344.96 = 1,415.08 : x
  2. Step 2: Convert to fraction form
    1,570.60/2,344.96 = 1,415.08/x
  3. Step 3: Cross multiply
    1,570.60x = 2,344.96 × 1,415.08
  4. Step 4: Simplify right side
    1,570.60x = 3,318,306.00
  5. Step 5: Solve for x
    x = 3,318,306.00/1,570.60
  6. Step 6: Final answer
    x = 2,112.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.