Home / 1,567.54-2,158.47-1,124.67

Finding the Fourth Proportional to 1,567.54, 2,158.47 and 1,124.67

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Solution

The fourth proportional to 1,567.54, 2,158.47 and 1,124.67 is: 1,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.54 : 2,158.47 = 1,124.67 : x
  2. Step 2: Convert to fraction form
    1,567.54/2,158.47 = 1,124.67/x
  3. Step 3: Cross multiply
    1,567.54x = 2,158.47 × 1,124.67
  4. Step 4: Simplify right side
    1,567.54x = 2,427,566.45
  5. Step 5: Solve for x
    x = 2,427,566.45/1,567.54
  6. Step 6: Final answer
    x = 1,548.65

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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.