Home / 1,500.16-2,070.47-1,108.32

Finding the Fourth Proportional to 1,500.16, 2,070.47 and 1,108.32

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Solution

The fourth proportional to 1,500.16, 2,070.47 and 1,108.32 is: 1,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.16 : 2,070.47 = 1,108.32 : x
  2. Step 2: Convert to fraction form
    1,500.16/2,070.47 = 1,108.32/x
  3. Step 3: Cross multiply
    1,500.16x = 2,070.47 × 1,108.32
  4. Step 4: Simplify right side
    1,500.16x = 2,294,743.31
  5. Step 5: Solve for x
    x = 2,294,743.31/1,500.16
  6. Step 6: Final answer
    x = 1,529.67

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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.