Home / 2,557.40-3,529.08-1,495.28

Finding the Fourth Proportional to 2,557.40, 3,529.08 and 1,495.28

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Solution

The fourth proportional to 2,557.40, 3,529.08 and 1,495.28 is: 2,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.40 : 3,529.08 = 1,495.28 : x
  2. Step 2: Convert to fraction form
    2,557.40/3,529.08 = 1,495.28/x
  3. Step 3: Cross multiply
    2,557.40x = 3,529.08 × 1,495.28
  4. Step 4: Simplify right side
    2,557.40x = 5,276,962.74
  5. Step 5: Solve for x
    x = 5,276,962.74/2,557.40
  6. Step 6: Final answer
    x = 2,063.41

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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.