Home / 1,558.04-2,325.11-1,425.60

Finding the Fourth Proportional to 1,558.04, 2,325.11 and 1,425.60

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Solution

The fourth proportional to 1,558.04, 2,325.11 and 1,425.60 is: 2,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.04 : 2,325.11 = 1,425.60 : x
  2. Step 2: Convert to fraction form
    1,558.04/2,325.11 = 1,425.60/x
  3. Step 3: Cross multiply
    1,558.04x = 2,325.11 × 1,425.60
  4. Step 4: Simplify right side
    1,558.04x = 3,314,669.69
  5. Step 5: Solve for x
    x = 3,314,669.69/1,558.04
  6. Step 6: Final answer
    x = 2,127.47

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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.