Home / 1,512.02-2,085.64-951.52

Finding the Fourth Proportional to 1,512.02, 2,085.64 and 951.52

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Solution

The fourth proportional to 1,512.02, 2,085.64 and 951.52 is: 1,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.02 : 2,085.64 = 951.52 : x
  2. Step 2: Convert to fraction form
    1,512.02/2,085.64 = 951.52/x
  3. Step 3: Cross multiply
    1,512.02x = 2,085.64 × 951.52
  4. Step 4: Simplify right side
    1,512.02x = 1,984,512.99
  5. Step 5: Solve for x
    x = 1,984,512.99/1,512.02
  6. Step 6: Final answer
    x = 1,312.50

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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.