Home / 1,560.49-2,330.45-1,388.26

Finding the Fourth Proportional to 1,560.49, 2,330.45 and 1,388.26

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Solution

The fourth proportional to 1,560.49, 2,330.45 and 1,388.26 is: 2,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.49 : 2,330.45 = 1,388.26 : x
  2. Step 2: Convert to fraction form
    1,560.49/2,330.45 = 1,388.26/x
  3. Step 3: Cross multiply
    1,560.49x = 2,330.45 × 1,388.26
  4. Step 4: Simplify right side
    1,560.49x = 3,235,263.58
  5. Step 5: Solve for x
    x = 3,235,263.58/1,560.49
  6. Step 6: Final answer
    x = 2,073.24

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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.