Home / 1,560.70-2,334.30-1,397.35

Finding the Fourth Proportional to 1,560.70, 2,334.30 and 1,397.35

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Solution

The fourth proportional to 1,560.70, 2,334.30 and 1,397.35 is: 2,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.70 : 2,334.30 = 1,397.35 : x
  2. Step 2: Convert to fraction form
    1,560.70/2,334.30 = 1,397.35/x
  3. Step 3: Cross multiply
    1,560.70x = 2,334.30 × 1,397.35
  4. Step 4: Simplify right side
    1,560.70x = 3,261,834.11
  5. Step 5: Solve for x
    x = 3,261,834.11/1,560.70
  6. Step 6: Final answer
    x = 2,089.98

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1.5x scale

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.