Home / 1,557.04-2,147.34-1,202.98

Finding the Fourth Proportional to 1,557.04, 2,147.34 and 1,202.98

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Solution

The fourth proportional to 1,557.04, 2,147.34 and 1,202.98 is: 1,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.04 : 2,147.34 = 1,202.98 : x
  2. Step 2: Convert to fraction form
    1,557.04/2,147.34 = 1,202.98/x
  3. Step 3: Cross multiply
    1,557.04x = 2,147.34 × 1,202.98
  4. Step 4: Simplify right side
    1,557.04x = 2,583,207.07
  5. Step 5: Solve for x
    x = 2,583,207.07/1,557.04
  6. Step 6: Final answer
    x = 1,659.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.